A.  (a2+b2)/( a2 -b2)

B.  (a2-b2)/( a2 +b2)

C.  2 (a2+b2)/( a2 -b2)

D.  2(a2-b2)/( a2 +b2)

Correct Answer :
2(a2-b2)/( a2 +b2)
Explanation :
No Explanation available for this question
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