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If one of the lines given by kx^(2)-5xy-...

If one of the lines given by `kx^(2)-5xy-3y^(2)=0` is perpendicular to the
line `x-2y+3=0`, then `k=`

A

(a) `2`

B

(b) `-11/2`

C

(c) `-2/3`

D

(d) `3`

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The correct Answer is:
A
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