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Find a unit vector vecc if -hati+hatj-ha...

Find a unit vector `vecc` if `-hati+hatj-hatk` bisects the angle between vectors `vecc` and `3hati+4hatj`.

A

`1/15(11hati+10hati+2hatk)`

B

`-1/15(11hati -10hati+2hatk)`

C

`-1/15(11hati -10hati - 2hatk)`

D

`-1/15(11hati +10hati + 2hatk)`

Text Solution

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The correct Answer is:
D
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