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        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
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        <title>MCQs: Ch 02 Sets, Functions and Groups</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/mcq-bank/ch02?rev=1737476037&amp;do=diff</link>
        <description>MCQs: Ch 02 Sets, Functions and Groups

High quality MCQs of Chapter 02 Sets, Functions and Groups of Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. The answers are given at the end of the page.$\forall$$\wedge$$&lt;$$\in$$A$$B$$A\cap B=\phi$$A=B$$B\subseteq A$$A \subseteq B$$A$$B$$A-B \neq \phi$$A=B$$A \subseteq B$$B\subseteq A$$A$$B$$A\cap B=A$$B \subseteq A$$A\cap B=\phi$$A\subseteq B$$B\subseteq A$$A=\phi$$A \cup B=A$$A \cap B=…</description>
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        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MCQs: Ch 04 Quadratic Equations</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/mcq-bank/ch04?rev=1737476037&amp;do=diff</link>
        <description>MCQs: Ch 04 Quadratic Equations

High quality MCQs of Chapter 01 Number System of Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. The answers are given at the end of the page.

MCQs

$ax^2+bx+c=0$$ax^2+bx+c=0$$b \neq 0$$c \neq 0$$a \neq 0$$x$$ax^2+bx+c$$ax^2+bx+c=0$$\{a,b\}$$ax^2+bx+c=0$$a\neq 0$$x= \frac{b \pm \sqrt{b^2-4ac}}{a}$$x= \frac{-b \pm \sqrt{b^2+4ac}}{2a}$$x= \frac{-b \pm \sqrt{4ac-b^2}}{2a}$$x= \frac{-b \pm \sqrt{b^2-…</description>
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        <title>Definitions: FSc Part 1 (Mathematics): PTB</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/definitions?rev=1737476037&amp;do=diff</link>
        <description>Definitions: FSc Part 1 (Mathematics): PTB

On this page, all the definitions of “Textbook of Algebra and Trigonometry Class XI, published by Punjab Textbook Board (PTB) Lahore, Pakistan are given. We are very thankful to Muhammad Waqas Sulaiman for his valuable contribution.$\frac{p}{q}$$p,q \in \mathbb{Z}$$q\neq 0$$\frac{p}{q}$$p,q \in \mathbb{Z}$$q\neq 0$$\mathbb{R}$$0.3333....,21.134134$$\pi = 3.1415...$$\divideontimes$$z=x+iy$$x,y \in \mathbb{R}, i = \sqrt{-1}$$x$$y$$z$$2, 3+\sqrt{3}i, \fra…</description>
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        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MCQs: Ch 01 Number Systems</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/mcq-bank/ch01?rev=1737476037&amp;do=diff</link>
        <description>MCQs: Ch 01 Number Systems

High quality MCQs of Chapter 01 Number System of Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. The answers are given at the end of the page.

MCQs

	*  If $*$$A$$a, b \in A$$a+b \in A$$a-b \in A$$a \times b \in A$$a * b \in A$$z=(1,3)$$z^{-1}= $$(\displaystyle{\frac{1}{10}},\displaystyle{\frac{3}{10}})$$(-\displaystyle{\frac{1}{10}},\displaystyle{\frac{3}{10}})$$(\displaystyle{\frac{1}{10}},-\display…</description>
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        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Definitions: FSc Part 1 (Mathematics): PTB by Aurang Zaib</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/definitions-aurang-zaib?rev=1737476037&amp;do=diff</link>
        <description>Definitions: FSc Part 1 (Mathematics): PTB by Aurang Zaib

Definitions from Textbook of Algebra and Trigonometry Class XI, published by Punjab Textbook Board (PTB) Lahore, Pakistan. We are very thankful to Aurang Zaib for his valuable contribution.

Chapter 01: Number System
\( \dfrac{p}{q} \)\( p, q \in \mathbb{Z} \)\( q \neq 0 \)\( \dfrac{3}{4} \)\( \dfrac{7}{2} \)\( \sqrt{2} \)\( \pi \)\( \mathbb{R} \)\( 0.25 \)\( 3.75 \)\( 0.3333... \)\( 1.234234... \)\( \pi \)\( 3.1415... \)\( \sqrt{2} \)\(…</description>
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        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Definitions: Mathematics 11: PTB by Muzzammil Subhan</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/definitions-muzzammil-subhan?rev=1737476037&amp;do=diff</link>
        <description>Definitions: Mathematics 11: PTB by Muzzammil Subhan

Definitions from Textbook of Algebra and Trigonometry Class XI, published by Punjab Textbook Board (PTB) Lahore, Pakistan. We are very thankful to Muzzammil Subhan for his valuable contribution. Download or view PDF for all definitions. Samples is given below$y=2^x$$y=e^x$$f(x)=\log_a x$$f(x)=\log_e x$$y$$x$$y$$y=x^2+3x$$x^2+xy+y^2=4$$f(-x)=f(x)$$f(-x)=-f(x)$</description>
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        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Multiple Choice Questions (MCQs)</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/mcqs?rev=1737476037&amp;do=diff</link>
        <description>Multiple Choice Questions (MCQs)

&lt;lead&gt;
Textbook of Algebra and Trigonometry Class XI is published by Punjab Textbook Board (PTB) Lahore, Pakistan. The book has total of 14 chapters.
&lt;/lead&gt;
Our plan is to give lot of Multiple Choice Questions (MCQs) for the above mentioned book. MCQs are very important because most of entry tests, admission tests and job tests consists of only MCQs.$\sqrt{3}$$n$$\sqrt{n}$$\forall a, b, c \in R$$a&lt;b \wedge c&gt;0\Rightarrow ac\geq bc$$a&lt;b \wedge c&gt;0\Rightarrow ac&gt;…</description>
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        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Ch 02: Functions and Groups</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/important-questions/ch02-functions-and-groups?rev=1737476037&amp;do=diff</link>
        <description>Ch 02: Functions and Groups

The important questions of Chapter 2 of Textbook of Algebra and Trigonometry Class XI is published by Punjab Textbook Board (PTB) Lahore, Pakistan has been given on this page. These questions are selected from old papers.
&lt;list-group&gt;$(2,4)$$\{a,\{b,c\}\}$$A-B=A \cup B^c$$p \longrightarrow q$$\{(1,2),(2,5),(3,7),(4,9),(5,11)\}$$\{a,b \}$$\{\{a,b\}\}$$~(p \longrightarrow q) \longrightarrow p$$A \cap(B \cup C)=(A \cap B)\cup(A \cap C)$$A=\{1,2,3,4\}$$B=\{3,4,5,6,7,8\}$…</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Ch 04: Quadratic Equations</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/important-questions/ch04-quadratic-equations?rev=1737476037&amp;do=diff</link>
        <description>Ch 04: Quadratic Equations

&lt;list-group&gt;

	*  Reduce $x^{-2}-10=3x^{-1}$ to quadratic form  --- BISE Gujrawala(2015)
	*  Show that $x^3-y^3=(x-y)(x-wy)(x-w^2y)$ --- BISE Gujrawala(2015)
	*  If $n$ is an odd integer, is $(x+a)$ factor of $(x^n+a^n)$?   --- BISE Gujrawala(2015)
	*  If the roots of $px^2+qx+q=0$ are $\alpha$, $\beta$,then prove that $$\sqrt {\frac{\alpha}{\beta}}+\sqrt {\frac{\beta}{\alpha}}+\sqrt{\frac{p}{q}}=0$$$${\begin{array}{c} x^2-5xy+6y^2=0\\x^2+y^2=45\end{array}}$$$4x^2+7x-…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/fsc-part1-ptb/important-questions/ch06-sequence-and-series?rev=1737476037&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Ch 06: Sequences and Series</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/important-questions/ch06-sequence-and-series?rev=1737476037&amp;do=diff</link>
        <description>Ch 06: Sequences and Series

&lt;list-group&gt;

	*  If $\frac{1}{a}$, $\frac{1}{b}$ and $\frac{1}{c}$ are in $G.P$. Show that $r=\pm \sqrt{\frac{a}{c}}$  --- BISE Gujranwala(2015),BISE Sargodha(2015), BISE Sargodha(2017),BISE Lahore(2017)

	*  With usual notation show that $AH=G^2$ --- BISE Gujrawala(2015)

	*  Find $n$, so that $\frac{a^n+b^n}{a^{n-1}+b^{n-1}}$ maybe $A.M$$a$$b$$y=1+\frac{x}{2}+\frac{x^4}{4}+...$$x=2(\frac{y-1}{y})$$9th$$\frac{1}{3}, \frac{1}{5}, \frac{1}{7},...$$a=-2$$b=-6$$A.G$$\f…</description>
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        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Exercise 1.2 (Solutions)</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/sol/ch01/ex1-2?rev=1737476037&amp;do=diff</link>
        <description>Exercise 1.2 (Solutions)

&lt;lead&gt;Notes (Solutions) of Exercise 1.2: Textbook of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB) Lahore.&lt;/lead&gt; 
The main topics of this exercise are complex numbers, real part and imaginary part of complex numbers, properties of the fundamental operation on complex numbers, complex number as ordered pair of real numbers and special subset of complex numbers. These notes are based on the new Student Learning Outcomes…</description>
    </item>
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        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Trigonometric Formulas</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/trigonometric-formulas?rev=1737476037&amp;do=diff</link>
        <description>Trigonometric Formulas

These are the common formulas used in Chapter 9 to 14 of Textbook of Algebra and Trigonometry Class XI, Punjab Textbook Board Lahore. This handout is very helpful to remember the formulas. All these formulas are given for real valued and defined trigonometric functions. A PDF file can be downloaded for high quality printing and a word file is also given if you wish to modify the contents or credit as you need.
&lt;panel&gt;
${{\sin }^{2}}\theta +{{\cos }^{2}}\theta =1$$1+{{\tan…</description>
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        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Exercise 2.8 (Solutions)</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/sol/ch02/ex2-8?rev=1737476037&amp;do=diff</link>
        <description>Exercise 2.8 (Solutions)

&lt;lead&gt;Notes (Solutions) of Exercise 2.8: Textbook of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB) Lahore.&lt;/lead&gt; 
The main topic of this exercise are binary operation, semi-group, monoid, groups and abelian groups. These notes are based on the new Student Learning Outcomes (SLOs). Version: 4.1, Available at MathCity.org $\oplus$$G=\{0,1\}$\[
\begin{array}{|c|c|c|}
\hline
  \oplus &amp; 0 &amp; 1 \\ 
\hline
   0 &amp; 1 &amp; 1 \\
\hl…</description>
    </item>
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        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Ch 01: Number Systems</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/important-questions/ch01-number-systems?rev=1737476037&amp;do=diff</link>
        <description>Ch 01: Number Systems

&lt;list-group&gt;

	*  Simplify $(i)^{19}$   --- BISE Gujrawala(2015)
	*  If $z$ be a complex number then prove that $\overline{z_1 + z_2}=\overline z_1 +\overline z_2$   ---  BISE Sargodha(2015)
	*  Simplify $\frac{2}{\sqrt{5}+\sqrt{-8}}$ in the form of $a+ib$    ---  BISE Sargodha(2015)
	*  Simplify by justify each step $\frac{\frac{1}{a}-\frac{1}{b}}{1-\frac{1}{a}\frac{1}{b}}$   ---   $(\sqrt{2}, -\sqrt{5})$$\{0,-1\}$$a \div ib$$(-1)^\frac{-21}{2}$$(0,1)$$\{1,-1\}$$|z_1z_2|=…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/fsc-part1-ptb/important-questions/ch08-mathematical-induction-and-binomial-theorem?rev=1737476037&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Ch 08: Mathematical Induction and Binomial Theorem</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/important-questions/ch08-mathematical-induction-and-binomial-theorem?rev=1737476037&amp;do=diff</link>
        <description>Ch 08: Mathematical Induction and Binomial Theorem

&lt;list-group&gt;

	*  Using binomial theorem,expand $\left(\frac{x}{2}-\frac{2}{x^2}\right)$ ---  BISE Gujranwala(2015)
	*  Find the $6$th term in the expansion of $\left( x^2-\frac{3}{2x}\right)$ ---  BISE Gujranwala(2015)
	*  Expand $\left( 8-2x\right)^{-1}$ up to two terms. ---  BISE Gujranwala(2015)$1+\frac{1}{4}+\frac{1.3}{4.8}+\frac{1.3.5}{4.8.12},...=\sqrt{2}$$(1.03)^{\frac{1}{3}}$$(a+x)$$n$$x$$(x-\frac{2}{x})^{10}$$n^3-n$$6$$n=2,3$$4^n&gt;3^n+…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/fsc-part1-ptb/important-questions/ch09-fundamentals-of-trigonometry?rev=1737476037&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Ch 09: Fundamental of Trigonometry</title>
        <link>https://beta.mathcity.org/fsc-part1-ptb/important-questions/ch09-fundamentals-of-trigonometry?rev=1737476037&amp;do=diff</link>
        <description>Ch 09: Fundamental of Trigonometry

&lt;list-group&gt;

	*  Find the value of the remaining trigonometric functions of $\theta$, If $cos \theta=\frac{12}{13}$ and the terminal side of the angle is not in the $I$ Quadrant. --- BISE Gujrawala(2015)
	*  Express in radian $120&#039;40&#039;&#039;$ --- BISE Gujrawala(2017)$2 $$\sin 45^{\circ} +\frac{1}{2}\cos 45^{\circ}=\frac{3}{\sqrt{2}}$$cosce \theta+tan\theta sec \theta=cosec \theta sec^2 \theta$$(tan\theta+cot\theta)^2=sec^2\theta cosec^2\theta$$150^{\circ}$$\theta$$…</description>
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