the slope of a line is m and the slope of other line is n. both the lines are perpendicular. find mn
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Answer:
mn = -1
Explanation:
If slope of a line is m and the slope of other line is n. both the lines are perpendicular
Then ,
mn = -1
••••
maheshwarinaman19042:
Brother but how
Is it is a universal value
yes
Thanks for the help
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