JEE MATHEMATICS MCQ: PAIR OF STRAIGHT LINES

1 Easy

1 of 1

Application +4 | -1

The pair of lines represented by

3 a x^2+5 x y+\left(a^2-2\right) y^2=0

are perpendicular to each other for

View answer and explanation

Correct option: A

Two values of

a

Option A (Two values of

a

) is correct because setting the sum of the coefficients of

x^2

and

y^2

to zero results in a quadratic equation with two real roots for

a

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