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"Mathematios XII\n\\( \\begin{array} { l l } { \\text { Q7. } \\int _ { - \\pi / 2 } ^ { \\pi / 2 } \\frac { 1 } { 1 + e ^ { \\sin x } } d x \\text { is equal to } } & { \\text { (b) } \\frac { \\pi } { 2 } } \\\\ { \\text { (c) } \\pi } & { \\text { (d) } \\frac { \\pi } { 4 } } \\end{array} \\)"
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