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+1 vote
19.8k views
in Mathematics by (34.9k points)

Let the mirror image of the point (1, 3, a) with respect to the plane \(\vec r.(2\hat i-\hat j+\hat k)-b=0\) be (–3, 5, 2). Then the value of |a + b| is equal to ........

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1 Answer

+2 votes
by (34.4k points)

Answer is 1

plane = 2x – y + z = b

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