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If the gradient of one of the lines give...

If the gradient of one of the lines given by `x^(2)+hxy+2y^(2)=0` is twice that of the other, then h =

A

`+-2`

B

`+-3`

C

`+-1`

D

`+-3//2`

Text Solution

Verified by Experts

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