A.  2ax+2by+(a2+b2+4)=0

B.  2ax-2by-(a2+b2+4)=0

C.  2ax-2by+(a2+b2+4)=0

D.  2ax+2by-(a2+b2+4)=0

1
Correct Answer :
2ax+2by-(a2+b2+4)=0
Explanation :
No Explanation available for this question

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