Choose the correct answers int(dx)/(e^x+...

Choose the correct answers `int(dx)/(e^x+e^(-x))` is equal to (A) `tan^(-1)(e^x)+C` (B) `tan^(-1)(e^(-x))+C` (C) `log(e^x-e^(-x))+C` (D) `log(e^x+e^(-x))+C`

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int( d x)/(e^x+e^(-x)) is equal to a) tan ^(-1)(e^x)+C b) tan ^(-1)(e^-x)+C c) log (e^x-e^-x)+C d) log (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

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

int(x-1)\ e^(-x)\ dx is equal to x e^x+C (b) x e^x+C (c) -x e^(-x)+C (d) x e^(-x)+C

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

int(1)/(1+e^(x))dx= (a) log(1+e^(x)) (b) log((1+e^(x))/(e^(x))) (c) log(1+e^(-x)) (d) -log(e^(-x)+1)

int( x-1)e^(-x) dx is equal to : a) ( x- 2)e^(x) + C b) x e^(-x) + C c) - x e^(x) + C d) ( x+1)e^(-x) +C

If int(dx)/(e^(2x)+e^(-2x))=(A)/(842)tan^(-1)e^(2x)+C then A equals...

int ((1 + x ) e ^(x))/( sin ^(2) (xe ^(x))) dx is equal to a) - cot (e ^(x)) + C b) tan (xe ^(x)) + C c) tan (e ^(x)) + C d) -cot (x e ^(x)) + C

int(e^x(1+x))/(cos^2 (e^x * x) )dx equals(A) -cot(e x^x)+C (B) tan(x e^x)+C (C) tan(e^x)+C (D) cot(e^x)+C