The gradient of one of the lines given b...

The gradient of one of the lines given by `ax^(2)+2hxy+by^(2)=0` is twice that of the other, then

A

`h^(2)=ab`

B

`h=a+b`

C

`8h^(2)=9ab`

D

`9h^(2)=8ab`

Verified by Experts

The correct Answer is:

C

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