Math, asked by simranrose8902, 19 days ago

If lines having direction cosines given by al+bm+cn=0 and fmn+gnl+hlm=0 are perpendicular then show that f/a +g/b +h/c=0

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Answered by mahisiddiqui567

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Answer:

hello

Step-by-step explanation:

hope it's help thnku.

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