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The plane x-y-z=4 is rotated through an ...

The plane `x-y-z=4` is rotated through an angle `90^(@)` about its line of intersection with the plane `x+y+2z=4`. Then the equation of the plane in its new position is

A

`x+y+4z=20`

B

`x+5y+4z=20`

C

`x+y-4z=20`

D

`5x+y+4z=20`

Text Solution

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The correct Answer is:
(d)
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