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If one of the lines given by the equation `2z^(2)+axy+3y^(2)=0` coincide with one of those given by `2x^(2)+bxy-3y^(2)=0` and the other lines represented by them be perpendicular, then

A

`a=-5, b=1`

B

`a=5, b=-1`

C

`a=5, b=1`

D

none of these

Text Solution

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The correct Answer is:
C
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