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The distance between the parallel planes...

The distance between the parallel planes: ax + by + cz + d = 0 and ax + by+ cz + d' =0 is :

A

`d/sqrt(a^2+b^2+c^2)`

B

`(|d+d'|)/sqrt(a^2+b^2+c^2)`

C

`(|d-d'|)/sqrt(a^2+b^2+c^2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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