Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If pair of straight lines 
and 
be such that each pair bisects the angle between the other pair, then mn =
Text Solution
Verified by ExpertsThe correct answer is:
B
Here equations of pair of straight lines are
…..(i)
…..(ii)
Therefore, equations of bisectors of these lines are
…..(iii)
…..(iv)
But according to the condition (i) and (iv), and (ii) and (iii) must be coincident, ∴ ∴ 
.
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