The equation of the plane containing lin...

The equation of the plane containing lines `barr=hati+2hatj-hatk+lambda(hati+2hatj-hatk)` and
`barr=hati+2hatj-hatk+mu(hati+hatj+3hatk)` is

A

(a) `barr*(7hati-4hatj-hatk)=0`

B

(b) `7(x-1)-4(y-1)-(z+3)=0`

C

(c) `barr*(hati+2hatj-3hatk)=0`

D

(d) `barr*(hati+hatj+hatk)=0`

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The correct Answer is:

A

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