JEE MATHEMATICS MCQ: PAIR OF STRAIGHT LINES

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Analyzing +4 | -1

The equation

x^3+a x^2 y+b x y^2+y^3=0

represents three straight lines, two of which are perpendicular, then the equation of the third line, is

View answer and explanation

Correct option: C

y=x

Option C (

y=x

) is correct because it is the third line when two of the three lines represented by

x^3+a x^2 y+b x y^2+y^3=0

are perpendicular.

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