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The lines vecr=(2hati-3hatj+7hatk)+lamd...

The lines `vecr=(2hati-3hatj+7hatk)+lamda(2hati+phatj+5hatk)`
and `vecr=(hati+2hatj+3hatk)+mu(3hati-phatj+phatk)` are perpendicular if `p=`

A

(a) `1,-6`

B

(b) `1,6`

C

(c) `-1,-6`

D

(d) `-1,6`

Text Solution

Verified by Experts

The correct Answer is:
D
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