JEE MATHEMATICS MCQ: PAIR OF STRAIGHT LINES

1 Hard

1 of 1

Application +4 | -1

The equation of the pair of straight lines, each of which makes angle

\alpha

with the line

y=x

, is

View answer and explanation

Correct option: D

x^2-2 x y \sec 2 \alpha+y^2=0

Option D (

x^2-2 x y \sec 2 \alpha+y^2=0

) is correct because it represents the equation of the pair of straight lines, each of which makes an angle

\alpha

with the line

y=x

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