MCQOPTIONS
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| 1. |
\[\int_{-\,\pi /2}^{\,\pi /2}{\,\frac{\sin x}{1+{{\cos }^{2}}x}{{e}^{-{{\cos }^{2}}x}}dx}\] is equal to [AMU 1999] |
| A. | \[2{{e}^{-1}}\] |
| B. | 1 |
| C. | 0 |
| D. | None of these |
| Answer» D. None of these | |