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If vectors vecA and vecB are 3i-4j + 5...

If vectors `vecA` and `vecB` are 3i-4j + 5k and 2i + 3 j - 4k respectively find the unit vector parallel to A + B

A

`((5hati - hatj + hatk))/sqrt(27)`

B

`(5hati + hatj + hatk)/sqrt(27)`

C

`(5hati + hatj + hatk)/27`

D

`(5hati - hatj - hatk)/27`

Text Solution

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The correct Answer is:
A
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