A.  (l2-m2)/(l2+m2)

B.  (l2+m2)/(l2-m2)

C.  2lm/(l2+m2)

D.  2lm/(l2-m2)

1
Correct Answer :
(l2-m2)/(l2+m2)
Explanation :
No Explanation available for this question

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