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The circe x ^(2) +y^(2) +8y-4 =0 cuts th...

The circe `x ^(2) +y^(2) +8y-4 =0` cuts the real circel `x ^(2) +y^(2) +gx +4=0` orthogonally , then the value of g is-

A

`g=0`

B

`g gt 0`

C

any real number

D

no real value

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The correct Answer is:
C
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