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The distance of the plane overset(to) (r...

The distance of the plane `overset(to) (r ) ((2)/(7) hat(i) + (3)/(7) hat(j) - (6)/(7) hat(k) )= 1` from the origins is.

A

1

B

2

C

`1//7`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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If the planes overset(to)( r) (2 hat(i) - lambda (j) + 3 hat(k) ) = 0 and overset(to)( r) ( lambda (i) + 5 hat(j) - hat(k) )=5 are perpendicular to each other, then the value of lambda is

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VMC MODULES ENGLISH-THREE DIMENSIONAL GEOMETRY -JEE ADVANCED (ARCHIVE)
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