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Lines vecr = veca(1) + lambda vecb(1) an...

Lines `vecr = veca_(1) + lambda vecb_(1) and vecr = veca_(2) + svecb_(2)` will lie in a Plane if

A

`|((vecb_(1)xx vecb_(2))xx(veca_(2)-veca_(1)))/(vecb_(1)xx vecb_(2))|`

B

`|((veca_(2)xx veca_(1))xx(vecb_(2)-vecb_(1)))/(vecb_(1)xx vecb_(2))|`

C

`|((veca_(2)xx veca_(1)).(vecb_(2)-vecb_(1)))/(vecb_(1)xx vecb_(2))|`

D

`|((veca_(2)xx veca_(1)).(vecb_(2)-vecb_(1)))/(vecb_(1)xx vecb_(2))|`

Text Solution

Verified by Experts

The correct Answer is:
C
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