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[" Q.19If "int(cos x-sin x+1-x)/(e^(x)+s...

[" Q.19If "int(cos x-sin x+1-x)/(e^(x)+sin x+x)dx=ln(f(x))+g(x)+C" where "C" is the constant of integration and "f(x)],[" is positive,then "f(x)+g(x)" has the value equal to "],[[" (A) "e^(x)+sin x+2x," (B) "e^(x)+sin x," (C) "e^(x)-sin x," (D) "e^(x)+sin x+x]]

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