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The equation of the plane containing the...

The equation of the plane containing the line `vecr = hati + hatj + lamda ( 2 hati + hatj + 4 hatk)` and origin is :

A

`vecr.(-hati-2hatj+hatk)=3`

B

`vecr.(hati+2hatj-hatk)=0`

C

`vecr.(hati+2hatj-hatk)=3`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Clearly, the position vector of any point on the given line satisfies the equation of the plane `vecr.(hati+2hatj-hatk)=3`
Hence the given line lies in the plane given in option c
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OBJECTIVE RD SHARMA ENGLISH-PLANE AND STRAIGHT LINE IN SPACE -Section I - Solved Mcqs
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