JEE MATHEMATICS MCQ: PAIR OF STRAIGHT LINES

1 Easy

1 of 1

Application +4 | -1

The value of

\lambda

for which the equation

6 x^2+11 x y-10 y^2+x+31 y+\lambda=0

represents a pair of straight lines, is

View answer and explanation

Correct option: A

-15

Option A (-15) is correct because it satisfies the condition for the given equation to represent a pair of straight lines, where the determinant

\Delta = 0

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