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

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

A

`((5i - j + k))/(sqrt27)`

B

`((5i + j + k))/(sqrt27)`

C

`((5i + j + k))/(27)`

D

`((5i - j - k))/(27)`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-VECTORS-Practice Sheet (Exercise-II) (Resolution of Vectors (Level -I)) (Straight Objective Type Questions)
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