Perpendicular Lines Condition (Jee Mains) | ExamDuo
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Equations of a Line
Easy
Perpendicular Lines Condition
The two lines ax + by = c and a'x + b'y = c' are perpendicular if
SELECT ONE OPTION
A
aa' + bb' = 0
B
ab' = ba'
C
ab + a'b' = 0
D
ab' + ba' = 0
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