for which value of k the w straight lines 2x-y+7=0 and 3x+ky-5=0 will be perpendicular
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m=y/x
M1=1/2
M2=-K/3
M1M2=-1
(1/2)×(-K/3)=-1
K=6
I hope this will help you
M1=1/2
M2=-K/3
M1M2=-1
(1/2)×(-K/3)=-1
K=6
I hope this will help you
thinker1:
thanks your ans is correct
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