Lines represented by 9x^(2)+y^(2)+6xy-4=...

Lines represented by `9x^(2)+y^(2)+6xy-4=0` are

A

(a) coincident

B

(b) parallel but not coincident

C

(c) not parallel

D

(d) perpendicular

Verified by Experts

The correct Answer is:

B

NA

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