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If vec(A)=hat(i)+2hat(j)+3hat(k), vec(B)...

If `vec(A)=hat(i)+2hat(j)+3hat(k), vec(B)=-hat(i)+2hat(j)+hat(k) and vec(C)=3hat(i)+hat(j)," then "vec(A)+tvec(B)` is perpendicular to `vec(C)`, if t is equal to :

A

-5

B

4

C

5

D

-4

Text Solution

Verified by Experts

The correct Answer is:
C
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