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Equation of the plane that contains the ...

Equation of the plane that contains the lines `r=(hat(i)+hat(j))+lambda(hat(i)+2hat(j)-hat(k)) and , r=(hat(i)+hat(j))+mu(-hat(i)+hat(j)-2hat(k))` is

A

`rcdot(2hat(i)+hat(j)-3hat(k))=-4`

B

`rcdot(hat(i)+hat(j)+hat(k))=0`

C

`rcdot(-hat(i)+hat(j)+hat(k))=0`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
(c)
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