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Given two vectors vec(A) = -hat(i) + 2ha...

Given two vectors `vec(A) = -hat(i) + 2hat(j) - 3hat(k)` and `vec(B) = 4hat(i) - 2hat(j) + 6hat(k)`. The angle made by (A+B) with x-axis is :

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

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Verified by Experts

The correct Answer is:
B
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