Question Id : 15930 |
Context : JEE Main 2018 (15 April Evening Shift)
If $I_1=\displaystyle\int_{0}^{1} e^{-x}\cos^{2}x,dx$;
$I_2=\displaystyle\int_{0}^{1} e^{-x^{2}}\cos^{2}x,dx$ and
$I_3=\displaystyle\int_{0}^{1} e^{-x^{3}},dx$; then
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