Question 11 Mark
Assertion (A) : If $\frac{x}{y}=\frac{a}{b}$, then $\frac{x+a}{y+b}=\frac{x-a}{y-b}$
Reason (R) : If $\frac{a}{b}=\frac{c}{d}$, then using componendo and dividendo, we get $\frac{a+b}{a-b}=\frac{c+d}{c-d}$.
Reason (R) : If $\frac{a}{b}=\frac{c}{d}$, then using componendo and dividendo, we get $\frac{a+b}{a-b}=\frac{c+d}{c-d}$.
Answer
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