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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

A

14

B

18

C

16

D

None of these

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The correct Answer is:
C
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