Question: Show that if a nonvertical line L 1 with slope m 1 is perpendicular to a line L 2 with slope m 2 , then

Show that if a nonvertical line L1 with slope m1 is perpendicular to a line L2 with slope m2, then m2 = −1/m1.


L A (a, b) K 10 (a, c) B L -X

L A (a, b) K 10 (a, c) B L -X

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