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The lines vecr = vec a + lamda ( vecb xx...

The lines `vecr = vec a + lamda ( vecb xx vecc ) and vecr = vecb + mu ( vecc xx veca )` will intersect if

A

`veca xx vec c = vecb xx vecc`

B

`veca.vecc =vecb.vecc`

C

`vecb xx veca = vecc xx veca`

D

`vecb xx vecc = vecc xx veca`

Text Solution

Verified by Experts

The correct Answer is:
B
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