If the planes vec(r)*(2hat(i)-lamdahat(j...

If the planes `vec(r)*(2hat(i)-lamdahat(j)+hat(k))=3andvec(r)(4hat(i)+hat(j)-muhat(k))=5` are parallel, then the value of `lambdaandmu` are

`(1)/(2),-2`

`-(1)/(2),2`

`-(1)/(2),-2`

`(1)/(2),2`

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The correct Answer is:

A, B

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