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Question 9 & 10, Exercise 3.2
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ine joining the points internally. By using ratio theorem, we have \begin{align}\overrightarrow{OR}&=\dfrac... ine joining the points externally. By using ratio theorem, we have \begin{align}\overrightarrow{OR}&=\dfrac
Question 11, Exercise 3.2
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CD}$ in the ratio $2:5$internally, then by ratio theorem, we have position vector $H$ is: \begin{align}\ov... EF}$ externally in the ratio $4:3$, then by ratio theorem, \begin{align}\overrightarrow{OK}&=\dfrac{3\overr
Question 11, Exercise 3.3
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14+21&=35\\ 35&=35\end{align} Thus by Pytagorous theorem, the vectors $\vec{a}, \vec{b}$ and $\vec{c}$ rep