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Three vectors vec(a),vec(b)andvec(c) are...

Three vectors `vec(a),vec(b)andvec(c)` are of the same length and the angle between any two of them is the same. If `vec(a)=hat(i)+hat(j)andvec(b)=hat(j)+hat(k)," then "vec(c)` is

A

`-(1)/(3)(hat(i)-4hat(j)+hat(k))`

B

`hat(i)+hat(k)`

C

`-(1)/(3)(-hat(i)+4hat(j)+hat(k))`

D

`(1)/(7)(hat(i)+2hat(j)+3hat(k))`

Text Solution

Verified by Experts

The correct Answer is:
A, B
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