If , then the value of for which represents its asymptotes…

MATHEMATICS · Single correct · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

S \equiv x^2 + 4xy + 3y^2 - 4x + 2y + 1 = 0

, then the value of

\lambda

for which

S + \lambda = 0

represents its asymptotes is (1) 20 (2) 18 (3) -16 (4) -22