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for 1 x if f x is the sum of the convergent power
Question:
For
\(-1\le x\le1\)
, if f (x) is the sum of the convergent power series
\(x+\frac{x^2}{2^2}+\frac{x^3}{3^2}+...+\frac{x^n}{n^2}+...\)
then
\(f(\frac{1}{2})\)
is equal to
IIT JAM MA - 2022
IIT JAM MA
Updated On:
Oct 1, 2024
\(\displaystyle\int\limits^{\frac{1}{2}}_{0}\frac{In(1-t)}{t}dt.\)
\(-\displaystyle\int\limits^{\frac{1}{2}}_{0}\frac{In(1-t)}{t}dt.\)
\(\displaystyle\int\limits^{\frac{1}{2}}_{0}tIn(1+t)dt.\)
\(\displaystyle\int\limits^{\frac{1}{2}}_{0}tIn(1-t)dt.\)
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The Correct Option is
B
Solution and Explanation
The correct option is (B):
\(-\displaystyle\int\limits^{\frac{1}{2}}_{0}\frac{In(1-t)}{t}dt.\)
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