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[" If "I=(2)/(pi)int((-pi)/(4))^((pi)/(4...

[" If "I=(2)/(pi)int_((-pi)/(4))^((pi)/(4))(dx)/((1+e^(sin x)))" then "9I^(2)=--],[[" (A) "(9)/(4),],[" (B) "9],[" (C) "(pi^(2))/(4)],[" (D) "(9 pi^(2))/(4)]]

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