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If one of the lines 2x^(2)-xy-15y^(2)=0 ...

If one of the lines `2x^(2)-xy-15y^(2)=0` is perpendicular to line `kx+y=0` then `k=`

A

1

B

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C

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D

4

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The correct Answer is:
C
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MARVEL PUBLICATION-PAIR OF STRAIGHT LINES-TEST YOUR GRASP
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