A) \[\frac{2ab}{{{a}^{2}}-{{b}^{2}}}\]
B) \[\frac{2ab}{{{a}^{2}}+{{b}^{2}}}\]
C) \[\frac{{{a}^{2}}-{{b}^{2}}}{{{a}^{2}}+{{b}^{2}}}\]
D) \[\frac{{{a}^{2}}+{{b}^{2}}}{2ab}\]
Correct Answer: A
Solution :
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