Date, Time & Arrangement Problems a = 1/2, b= 1/3, x = \\sum^{\infty}_{n=0} \a^n, y=\\sum^{\infty} _{n=0}\b^n, then \frac{x+y}{x-y}=?

AP ICET 11 Sep 2020 Shift 2 Paper

Question : 75 of 200

Marks: +1, -0

Date, Time & Arrangement Problems

a = 1/2, b= 1/3, x = \Σ↖{∞}↙{n=0} \a^n, y=\Σ↖{∞} ↙{n=0}\b^n,

then

{x+y}/{x-y}=?

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