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[int x^(3)e^(x^(2))dx=...],[" A) "x^(2)(...

[int x^(3)e^(x^(2))dx=...],[" A) "x^(2)(e^(x^(2))-1)],[" B) "(1)/(2)x^(2)(e^(x^(2))-1)],[" C) "(1)/(2)e^(x^(2))(x^(2)-1)],[" D) None of these "],[" A "],[" D "],[" 0"0],[" D "]

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int_(0)^(1)(e^(x))/(1+e^(2x))dx

(xe^x)/(1+x)^2dx= (A) e^x/(1+x) (B) e^x/(1+x)^2 (C) e^xlog(1+x) (D) none of these

(xe^x)/(1+x)^2dx= (A) e^x/(1+x) (B) e^x/(1+x)^2 (C) e^xlog(1+x) (D) none of these

int_(1)^(2)((1)/(x)-(1)/(x^(2)))e^(x)dx=e((e)/(2)-1)

int_(1)^(2)((1)/(x)-(1)/(x^(2)))e^(x)dx=e((e)/(2)-1)

int(2)/((e^(x)+e^(-x))^(2))dx(e^(-x))/(e^(x)+e^(-x))+C(b)-(1)/(e^(x)+e^(-x))+C(c)(-1)/((e^(x)+1)^(2))+C(d)(1)/(e^(x)-e^(-x))+C

Choose the correct answer int x^(2)e^(x^(3))dx equals (A) (1)/(3)e^(x^(3))+C(B)(1)/(3)e^(x^(2))+C(C)(1)/(2)e^(x^(3))+C(D)(1)/(2)e^(x^(2))+C

xe^(-y)dx+ydy=0 A) 2x^(2)+(y-1)e^(y)=c B) (x^(2))/(2)+(y-1)e^(y)=c C) (y^(2))/(2)+(x-1)e^(x)=c D) 2y^(2)+(x-1)e^(x)=0

(d)/(dx)[log{e^(x)((x-2)/(x+2))^(3/4)}] equals (x^(2)-1)/(x^(2)-4) (b) 1 (c) (x^(2)+1)/(x^(2)-4) (d) e^(x)(x^(2)-1)/(x^(2)-4)

int_(0)^(1)(e^(x))/((1+e^(2x)))dx