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[" Q3) Evaluate "int(x)/(4+x^(4))dx],[["...

[" Q3) Evaluate "int(x)/(4+x^(4))dx],[[" A) "(1)/(4)tan^(-1)x^(2)+C," B) "(1)/(4)tan^(-1)(x^(2))/(2)+Cquad " C) "(1)/(2)tan^(-1)(x^(2))/(2)+C],[" D) None of these "]]

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