The number of integral values of for which is the equation of a circle whose radius…

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

Problem

The number of integral values of

\lambda

for which

x^2 + y^2 + \lambda x + (1 - \lambda)y + 5 = 0

is the equation of a circle whose radius cannot exceed 5, is (1) 14 (2) 18 (3) 16 (4) None of these