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Question 4 Exercise 4.5

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Question 4(i)===== Convert each decimal to common fraction $0 . \overline{8}$ ====Solution==== We can wr... uestion 4(ii)===== Convert each decimal to common fraction $1 . \overline{63}$ ====Solution==== Since \b... uestion 4(ii)===== Convert each decimal to common fraction $2 . \overline{15}$ ====Solution==== Since \b... 6+5}{33}=\dfrac{71}{33}$$\\ is the desired common fraction. =====Question 4(iv)===== Convert each decim

Question 3 and 4 Exercise 4.1

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a_n}{n}$ ====Solution==== Given $$a_1=3, a_{n+1}=\frac{a_n}{n}$$ For $n=1$ \begin{align}&a_{1+1}=\dfrac{

Question 2 Exercise 4.3

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{8}\end{align} Since $n$ cannot be negative or in fraction, thus $n=9$. Now $$a_9=a_1+8 d=-7+8(8)=57.$$

Question 2 & 3 Exercise 4.4

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{2}) \cdot \dfrac{1}{8} \\ \Rightarrow a_7&=-2^{-\frac{3}{2}}\end{align} ====Go To==== <text align="l