The number of integral values of \( \lambda \) for which \( x^{2}+y^{2}+\lambda x+(1-\lambda) y+....

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The number of integral values of \( \lambda \) for which
\( \mathrm{P} \)
\( x^{2}+y^{2}+\lambda x+(1-\lambda) y+5=0 \)
W.
is the equation of a circle whose radius cannot exceed 5 , is
(1) 14
(2) 18
(3) 16
(4) None of these


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