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If the straight lines 3x-5y = 7 and 4x + ay + 9 = 0 are perpendicular to one another,find the value of a

+1 vote

asked Jan 22, 2019 in JEE by kratos

If the straight lines 3x -5y = 7 and 4x + ay + 9 = 0 are perpendicular to one another,find the value of a

determinant
analytical geometry
class-11
jee
matrices
class-10
icse
jee mains
class-12

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1 Answer

+2 votes

answered May 3, 2020 by kratos

Best answer

Given lines are 3x-5y =7 and 4x+ ay + 9 =0

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