JEE MATHEMATICS MCQ: PAIR OF STRAIGHT LINES

1 Easy

1 of 1

Application +4 | -1

The equation

x^2+k y^2+4 x y=0

represents two coincident lines, if

k=n

. Find the value of

n

View answer and explanation

Correct option: A

Option A (4) is correct because the equation represents two coincident lines when k = 4, making the expression a perfect square.

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