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Mathematics, 25.04.2021 09:50 widnickab
Let L1 be a line with slope m1 and L2 be a line with slope m2 the L1 and L2 are perpendicular lines if and only if m1 +m2 =-1 *
true
or
False
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Let L1 be a line with slope m1 and L2 be a line with slope m2 the L1 and L2 are perpendicular lines...
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