If the circle x^(2)+y^(2)+4x+22y+c=0 bis...

If the circle `x^(2)+y^(2)+4x+22y+c=0` bisects the circumference of the circle `x^(2)+y^(2)-2x+8y-d=0`, then `c+d` is equal to a)30 b)50 c)40 d)56

A

30

B

50

C

40

D

56

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The correct Answer is:

B

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