A) \[\frac{y-x}{{{y}^{2}}{{x}^{2}}}\]
B) \[\frac{{{y}^{2}}-{{x}^{2}}}{yx}\]
C) \[\frac{xy}{x+y}\]
D) \[\frac{{{x}^{2}}{{y}^{2}}}{{{x}^{2}}+{{y}^{2}}}\]
Correct Answer: B
Solution :
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