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Angle between the vectors (hat(i)+hat(j)...

Angle between the vectors `(hat(i)+hat(j))`and `(hat(j)-hat(k))` is

A

`90^(@)`

B

`0^(@)`

C

`180^(@)`

D

`60^(@)`

Text Solution

Verified by Experts

The correct Answer is:
D

`cos theta =(vec(A).vec(B))/(|vec(A)||vecB|)=1/(sqrt(2)sqrt(2))=1/2 :. theta= 60^(@)`
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