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- Question 1 and 2, Exercise 4.1
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- a_4=11$, $a_{10} = 29$ and $a_{15} = 44$.
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- Question 3 and 4, Exercise 4.1
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- =n^{2}+1$
** Solution. **
Do yourself.
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- Question 5 and 6, Exercise 4.1
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- 9}{101}$, $a_{15} = \frac{112}{113}$. GOOD
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- Question 7 and 8, Exercise 4.1
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- ot n^{2}$
** Solution. **
Do yourself.
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- Question 9 and 10, Exercise 4.1
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- = -7$, $a_{10} = -25$, $a_{15} = 40$. GOOD
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- Question 11 and 12, Exercise 4.1
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- 11 ; a_{9}$
** Solution. **
Do yourself.
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- Question 13 and 14, Exercise 4.1
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- .5
\end{align*}
Hence $a_{12} =-23.5 $ GOOD
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- Question 15 and 16, Exercise 4.1
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- ign*}
Hence $a_{20}=\frac{441}{400}$. GOOD
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- Question 17 and 18, Exercise 4.1
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- &= 67
\end{align*}
Hence $a_{67}= 67$. GOOD
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- Question 19 and 20, Exercise 4.1
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- dict the general term is $a_n = 3^n$. GOOD
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- Question 21 and 22, Exercise 4.1
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- the general term is $a_n=1.1n+0.1$. GOOD
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- Question 1, Exercise 4.2
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- $, $a_3=\frac{13}{8}$, $a_4=\frac{9}{4}$.
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- Question 2, Exercise 4.2
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- ce are \(6.6\), \(10.6\), and \(14.6\). GOOD
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- Question 3 and 4, Exercise 4.2
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- $19, \dfrac{33}{2}, 14, \dfrac{23}{2}$. GOOD
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- Question 5 and 6, Exercise 4.2
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-
Hence the $a_1 = 3$ and $a_{87} = 347$. GOOD
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- Question 7 and 8, Exercise 4.2
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- Question 9 and 10, Exercise 4.2
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- Question 11 and 12, Exercise 4.2
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- Question 13, Exercise 4.2
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- Question 14 and 15, Exercise 4.2
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- Question 16 and 17, Exercise 4.2
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- Question 1 and 2, Exercise 4.3
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- Question 3 and 4, Exercise 4.3
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- Question 5 and 6, Exercise 4.3
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- Question 7 and 8, Exercise 4.3
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- Question 9 and 10, Exercise 4.3
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- Question 11 and 12, Exercise 4.3
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- Question 13 and 14, Exercise 4.3
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- Question 15 and 16, Exercise 4.3
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- Question 23 and 24, Exercise 4.3
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- Question 25 and 26, Exercise 4.3
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- Question 1 and 2, Exercise 4.4
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- Question 3 and 4, Exercise 4.4
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- Question 5, 6 and 7, Exercise 4.4
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- Question 8 and 9, Exercise 4.4
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- Question 10 and 11, Exercise 4.4
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- Question 12 and 13, Exercise 4.4
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- Question 14 and 15, Exercise 4.4
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- Question 16 and 17, Exercise 4.4
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- Question 18 and 19, Exercise 4.4
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- Question 20 and 21, Exercise 4.4
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- Question 22 and 23, Exercise 4.4
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- Question 24 and 25, Exercise 4.4
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- Question 26 and 27, Exercise 4.4
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- Question 28 and 29, Exercise 4.4
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- Question 30, Exercise 4.4
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- Question 1 and 2, Exercise 4.5
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- Question 3 and 4, Exercise 4.5
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- Question 5 and 6, Exercise 4.5
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- Question 7 and 8, Exercise 4.5
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- Question 9 and 10, Exercise 4.5
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- Question 14, Exercise 4.5
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- Question 15, Exercise 4.5
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- Question 16, Exercise 4.5
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- Question 1 and 2, Exercise 4.6
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- Question 3 & 4, Exercise 4.6
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- Question 5 & 6, Exercise 4.6
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- Question 7 & 8, Exercise 4.6
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- Question 9 & 10, Exercise 4.6
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- Question 11, Exercise 4.6
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- Question 12, Exercise 4.6
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- Question 1 and 2, Exercise 4.7
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- Question 3 and 4, Exercise 4.7
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- Question 5 and 6, Exercise 4.7
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- Question 7 and 8, Exercise 4.7
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- Question 9 and 10, Exercise 4.7
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- Question 17 and 18, Exercise 4.7
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- Question 19 and 20, Exercise 4.7
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- Question 19 and 20, Exercise 4.7
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- Question 21 and 22, Exercise 4.7
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- Question 23 and 24, Exercise 4.7
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- Question 25 and 26, Exercise 4.7
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- Question 27 and 28, Exercise 4.7
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- Question 29 and 30, Exercise 4.7
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- Question 1 and 2, Exercise 4.8
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- Question 3 and 4, Exercise 4.8
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- Question 5 and 6, Exercise 4.8
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- Question 7 and 8, Exercise 4.8
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- Question 9 and 10, Exercise 4.8
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- Question 11 and 12, Exercise 4.8
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