The straight lines represented by the eq...

The straight lines represented by the equation `9x^(2)-12xy+4y^(2)=0` are

A

(a) coincedent

B

(b) perpendicular

C

(c) interset at `60^(@)`

D

(d) inclined at an angle of `45^(@)`

Verified by Experts

The correct Answer is:

A

NA

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