Question
Under what condition will the lines m2x + ny - 1 = 0 and n2x - my + 2 = 0 be perpendicular?
This question was previously asked in
NDA 2 2025 GAT Question Paper (14-Sep-2025)
The correct answer is
mn - 1 = 0
For the lines to be perpendicular, the condition is mn - 1 = 0.
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Important Questions from Equation in a Line
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- What is the point of intersection of L and P?
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