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If a vector 2hati +3hatj +8hatk is perpe...

If a vector `2hati +3hatj +8hatk` is perpendicular to the vector `4hati -4hatj + alphahatk,` then the value of `alpha` is

A

`(1)/(2)`

B

`-(1)/(2)`

C

1

D

`-1`

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-Assignment (SECTION - C)
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