If a- is unit vector- then -a- -a- -a-k- k-A- 1B- 2C- 3D- 4

The correct option is A 1 →a=xî+y ĵ z k̂ | →a |=1 | (→a.î) î+(→a.ĵ)ĵ+→a.k̂ |= |→a |=1 ...

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Vector Triple Product

If a⃗ is unit...

Question

If $\to a$ is unit vector , then $∣ ∣ (\to a .^i)^i + (\to a .^j)^j + (\to a .^k)^k ∣ ∣ =$

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If $\to a$ is unit vector and $(\to x - \to a) . (\to x + \to a) = 8, t h e n | \to x | =$

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{(\frac{2}{3})}^{x} {(\frac{3}{2})}^{2 x} = \frac{81}{16} then x = ?

\tan A = \frac{1}{2}, \tan B = \frac{1}{3},

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