If the equation ax^(2)+2hxy+by^(2)=0 rep...

If the equation `ax^(2)+2hxy+by^(2)=0` represented two lines `y=m_(1)x` and `y=m_(2)x` then

A

(a) `m_(1)+m_(2)=(-2h)/b` and `m_(1)m_(2)=a/b`

B

(b) `m_(1)+m_(2)=(2h)/b` and `m_(1)m_(2)=(-a)/b`

C

(c) `m_(1)+m_(2)=(2h)/b` and `m_(1)m_(2)=a/b`

D

(d) `m_(1)+m_(2)=(2h)/b` and `m_(1)m_(2)=-ab`

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The correct Answer is:

A

NA

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