Which of the following equations represe...

Which of the following equations represents a pair of real and coincident straight lines?

A

(a) `4x^(2)-4xy+y^(2)=0`

B

(b) `4x^(2)+4xy-y^(2)=11`

C

(c) `-x^(2)+xy-y^(2)=1`

D

(d) `3x^(2)+3y^(2)=4`

Verified by Experts

The correct Answer is:

A

NA

Similar Questions

Explore conceptually related problems

Which of the following pairs represent isobars?

Which of the following equations has no real roots?

Which of the following represents pair of lines?

Which of the following pairs represents linkage isomers ?

Which of the following equations represents a wave travelling along the y - axis?

Which of the following equation does not represent a simple harmonic motion

Which of the following equation represent final phosphorylation step from glycolysis?