Mathematics · 2021
JEE Main · 26 February 2021, Shift 1 · Q78
The sum of the infinite series 1+2/3+7/3^2+12/3^3+17/3^4+22/3^5+… … is equal to:
The sum of the infinite series $\displaystyle 1+\frac{2}{3}+\frac{7}{3^2}+\frac{12}{3^3}+\frac{17}{3^4}+\frac{22}{3^5}+\ldots \ldots$ is equal to :
Official answer
(3)
$\displaystyle \frac{13}{4}$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.