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Q.The plane $x - y + z = 4$ is rotated through 90° about its line of intersection with the plane x + y + z = 4. The equation of the plane in new position is

a

x - y - z = 4\sqrt{3}

b

x - y + z = 4\sqrt{3}

c

x + y - z = 4\sqrt{3}

d

x + y + z = 4\sqrt{3}

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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