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If the vectors vec(a) = 2hat(i) + hat(j)...

If the vectors `vec(a) = 2hat(i) + hat(j) + 4hat(k), vec(b) = 4hat(i) - 2hat(j) + 3hat(k)` and
`vec(c) = 2hat(i) - 3hat(j) - lambda hat(k)` are coplanar, then findvalue of `lambda`

A

2

B

1

C

3

D

`-1`

Text Solution

Verified by Experts

The correct Answer is:
B
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