1.

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

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


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