The number of integral values of lambda ...

The number of integral values of `lambda` for which the equation `x^2+y^2+lambdax+(1-lambda)y+5=0` is the equation fo a circle whose radius cannot exceed `5,` is 14 (b) 18 (c) 16 (d) none of these

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The number of integral values of lambda for which the equation x^2+y^2+lambdax+(1-lambda)y+5=0 is the equation fo a circle whose radius cannot exceed 5, is (a) 14 (b) 18 (c) 16 (d) none of these

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