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The value of lamda for which the plane v...

The value of `lamda` for which the plane `vec(r)*(2hat(i)-2hat(j)+4hat(k))=5` is perpendicular to plane `vec(r)*(3hat(i)-3hat(j)+lamdahat(k))=7` is

A

4

B

3

C

`-3`

D

`-4`

Text Solution

Verified by Experts

The correct Answer is:
C
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