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Vector Triple Product

What is the a...

Question

What is the angle between $(\to P + \to Q)$ and $(\to P \times \to Q)$ ?

A

0

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B

\frac{π}{2}

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C

\frac{π}{4}

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D

π

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Solution

The correct option is B $\frac{π}{2}$
$\begin{matrix} (\to P + \to Q) i s i n p l a n e o f \to P & \to Q (\to P \times \to Q) i s i n p e r p e n d i c u l a r p l a n e o f \to P & \to Q ∴ a n g l e w i l l b e \frac{π}{2} H e n c e, o p t i o n B i s c o r r e c t a n s w e r . \end{matrix}$

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