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- Question 1 Review Exercise 3
- %%(c)%% $|\vec{a}|=|\vec{b}|$ * (d) None of these \\ <btn type="link" collapse="a4">See Answer</btn... * %%(c)%% $\dfrac{3}{14}$ * (d) None of these \\ <btn type="link" collapse="a5">See Answer</btn
- Question 2 and 3 Exercise 3.3
- ow|\vec{b}|&=\sqrt{29}\end{align} Now putting all these in (1) \begin{align}\cos \theta&=\dfrac{8}{5 \cdo... row|\vec{b}|&=\sqrt{3}\end{align} Now putting all these in (1) \begin{align}\cos \theta&=\dfrac{-1}{\sqrt