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0 votes
8.0k views
in Mathematics by (57.6k points)

What is the distance(in units) between the two planes 3x + 5y + 7z = 3 and 9x + 15y + 21z = 9 ? 

(a) 0

(b) 3

(c) 6√83

(d) 6

1 Answer

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by (63.8k points)
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Best answer

Correct option is (a) 0.

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