A.  k(x3-y3-a3-b2)=2xy

B.  k(x2-y2-a2+b2)=4xy

C.  k(x2-y2-a2-b2)=2xy

D.  k(x2+y2+a2-b2)=2xy

1
Correct Answer :
k(x2-y2-a2-b2)=2xy
Explanation :
No Explanation available for this question

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