Mathematics · 2021
JEE Main · 31 August 2021, Shift 2 · Q84
If S=7/5+9/5^2+13/5^3+19/5^4+…, then 160 S is equal to \ \ \ \.
If $\displaystyle S=\frac{7}{5}+\frac{9}{5^2}+\frac{13}{5^3}+\frac{19}{5^4}+\ldots$, then $\displaystyle 160$ S is equal to \_\_\_\_.
Official answer
305
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.