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Find the number of integral values of la...

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

A

14

B

18

C

16

D

none of these

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The correct Answer is:
C
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  12. If P(1, 1//2) is a centre of similitude for the circles x^(2)+y^(2)+4...

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  13. Statement 1 : The equation x^2+y^2-2x-2a y-8=0 represents, for differe...

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  14. x=1 is the radical axis of the two orthogonally intersecting circles....

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  15. If the y=mx+1, of the circle x^2+y^2=1 subtends an angle of measure 45...

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  16. The circles x^2 + y^2 + 6x + 6y = 0 and x^2 + y^2 - 12x - 12y = 0

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  17. The equation of the pair of straight lines parallel to x-axis and touc...

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  18. The equation of the circumcircle of the triangle formed by the lines x...

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  20. The equation of the circle concentric to the circle 2x^(2)+2y^(2)-3x+6...

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