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If vec(b) = 3 vec(i) + 4 vec(j) and vec(...

If `vec(b) = 3 vec(i) + 4 vec(j) and vec(a) = hat(i) - vec(j)` the vector having the same magnitude as that of `vec(b)` and parallel to `vec(a)` is

A

`(5)/(sqrt2) (hat(i) - hat(j))`

B

`(5)/(sqrt2) (hat(i) + hat(j))`

C

`5 (hat(i) - hat(j))`

D

`5 (hat(i) + hat(j))`

Text Solution

Verified by Experts

The correct Answer is:
A
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