Distance between two parallel planes 2x+y+2z=8 and 4x+2y+4z+5=0 is

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answer is C.

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Detailed Solution

Given planes are 4x+2y+4z-16=0, 4x+2y+4z+5=0Distance between the parallel planes =|d1−d2|a2+b2+c2=72

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