Find the number of integral values of $λ$ for which $x^{2} + y^{2} + λ x + (1 - λ) y + 5 = 0$ is the equation of a circle whose radius does not exceed 5.

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Find the number of integral values of

λ

for which

x^{2} + y^{2} + λ x + (1 - λ) y + 5 = 0

is the equation of a circle whose radius does not exceed 5.

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Question Text

Find the number of integral values of

λ

for which

x^{2} + y^{2} + λ x + (1 - λ) y + 5 = 0

is the equation of a circle whose radius does not exceed 5.

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