_ 1/2 ^2 1 x ( x - 1 x )dx = - Vidyadip

Question

$\int\limits_{1/2}^2 {\frac{1}{x}} \sin \left( {x - \frac{1}{x}} \right)dx = $

✓

Answer

a
Put $X = \frac{1}{t}$ and add both equation

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