1.

If the plane x + y + z =1 is routated through an angle 90^(@) about its line of intersection with the plane x - 2y + 3z =0, then the new position of the plane is

Answer»

`X - 5y + 4z =1`
` x- 5y + 4z =-1`
` x - 8Y + 7Z =2`
` x -8y + 7z =-2`

ANSWER :D


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