The equation 3x^(2)+2hxy+3y^(2)=0 repre...

The equation `3x^(2)+2hxy+3y^(2)=0` represents a pair of straight lines
passing through the origin. The two lines are

A

(a) real and distinct if `h^(2)gt3`.

B

(b) real and distinct if `h^(2)ge9`.

C

(c) real and coincident if `h^(2)gt3`

D

(d) real and coincident if `h^(2)ge3`.

Verified by Experts

The correct Answer is:

D

NA

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