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If vec(a) = hat(i) + 2 lambda hat(j) + h...

If `vec(a) = hat(i) + 2 lambda hat(j) + hat(k) and vec(b) = 2 hat(i) + hat(j) - 3 hat(k)` are perpendicular to each other, the value of `lambda` is :

A

0

B

1

C

2

D

`(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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