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One of the following is perpendicular to...

One of the following is perpendicular to `2hati + 2hatj - hatk`

A

`-2hati - 2hatj + hatk`

B

`hati + hatj-1/2hatk`

C

`2hati+2hatj+ 8hatk`

D

`hati+hatj+hatk`

Text Solution

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The correct Answer is:
C
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER - 1-MATHEMATICS
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