A unit vector in the dirction of resulta...

A unit vector in the dirction of resultant vector of `vec(A)= -2hat(i)+3hat(j)+hat(k)` and `vec(B)= hat(i)+2hat(j)-4hat(k)` is

A

`(-2hat(i) + 3hat(j) + hat(k))/(sqrt(35))`

B

`(-hat(i) + 2hat(j) + 4hat(k))/(sqrt(35))`

C

`(-hat(i) + 5hat(j) - 3hat(k))/(sqrt(35))`

D

`(-3hat(i) + hat(j) - 5hat(k))/(sqrt(35))`

Verified by Experts

The correct Answer is:

C

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