Question

two straight lines 3x-2y=5 and 2x+ky+7=0 are perpendicular to each other. find the value of 'k'?

Answer 1

Here's your answer
since the lines are perpendicular to each other, 
product of their slopes should be -1
(3/2)(-2/K)=-1
−6=−2k 
k = 3k=3 
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