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       <dc:date>2026-06-05T17:29:33+00:00</dc:date>
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        <dc:date>2025-01-21T16:14:01+00:00</dc:date>
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        <title>Exercise 2.6 (Solutions)</title>
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        <description>Exercise 2.6 (Solutions)

Question 1

Identify the following statements as true or false.
(i) $\sqrt{-3}\cdot\sqrt{-3} = 3$

(ii) $i^{73}=-i$

(iii) $i^{10} = -1$

(iv) Complex conjugate of  $(-6i + i^2) is (-1 + 6i)$

(v) Difference of complex numbers $z = a + ib$ and its conjugate is a real number.

(vi) If $(a-1)-(b+3)i = 5+8i$, then a = 6 &amp; b = -11

(vii) Product of complex number and its conjugate is always a non-negative real number.$a+ib$$(2+3i)+(7-2i)$$2(5+4i)+3(7-4i)$$-(-3+5i)-3(4+9i)$$…</description>
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        <title>Review exercise</title>
        <link>https://beta.mathcity.org/matric/9th_science/review_exercise?rev=1737476041&amp;do=diff</link>
        <description>Review exercise

On the following page we have given the solution of Review exercise of Mathematics 9 (Science) published by Caravan Book House, Lahore.
&lt;WRAP center round info 60%&gt;
We have created this page and it will be updated to add new solutions occasionally. Please stay in touch with this page.
&lt;/WRAP&gt;$x-2$$x^2+x-6$$x^2+x-6$$x+3$$x-2$$x+2$$c$$a^3+b^3$$a^2-ab+b^2$$a+b$$a^2-ab+b^2$$(a-b)^2$$a^2+b^2$$c$$x^2-5x+6$$x^2-x-6$$x-3$$x+2$$x^2-4$$x-2$$a$$a^2-b^2$$a^3-b^3$$a-b$$a+b$$a^2+ab+b^2$$a^2-a…</description>
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