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Distance between plane 3x + 4y - 20 = 0 ...

Distance between plane `3x + 4y - 20 = 0` and point (0, 0, - 7) is :

A

4 units

B

3 units

C

2 units

D

4 unit

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OMEGA PUBLICATION-PUNJAB BOARD-MATHEMATICS 2018-SERIES -B
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