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If planes ax+by+cz+d=0 and a'x+b'y+c'z+d...

If planes `ax+by+cz+d=0` and `a'x+b'y+c'z+d'=0` are perpendicular, then

A

`aa'+bb'+cc'+dd'=0`

B

`aa'+bb'+cc'=0`

C

`(a)/(a')=(b)/(b')=(c )/(c')`

D

`(a)/(a')+(b)/(b')+(c )/(c')=0`

Text Solution

Verified by Experts

The correct Answer is:
B
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