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

(a) `+-3`

B

(b) `+-3/2`

C

(c) `+-2`

D

(d) `+-1`

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The correct Answer is:

A

NA

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