A) \[\frac{a+b}{{{a}^{2}}}=\frac{c+d}{{{c}^{2}}}\]
B) \[\frac{a+b}{{{a}^{2}}}=\frac{c+d}{{{d}^{2}}}\]
C) \[\frac{a+b}{a-b}=\frac{c+d}{c-d}\]
D) \[ac=bd\]
Correct Answer: C
Solution :
As, \[\frac{a}{b}=\frac{c}{d}\] applying componendo\[\frac{a+b}{a-b}=\frac{c+d}{c-d}\] dividendo.
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