`int((x+2)/(x+4))^2+e^xdxi se q u a lto` `e^x(x/(x+4))+c` (b) `e^x((x+2)/(x+4))+c` `e^x((x-2)/(x+4))+c` (d) `((2x e^2)/(x+4))+c`

int ((x+2)/(x+4))^2 e^x dx is equal to

int((x^2+1))/((x+1)^2)dxi se q u a lto ((x-1)/(x+1))e^x+c (b) e^x((x+1)/(x-1))+c e^x(x+1)(x-1)+c (d) none of these

int(e^x)/(e^(2x)+4)dx

int_(0)^(1)e^(2x)e^(e^(x) dx =)

int(e^(x)(x-2))/(x(x^(2)+e^(x)))dx AAx gt0 is equal to

d/(dx)sqrt((1-sin2x)/(1+sin2x))i se q u a lto,(0

The value of integral inte^x(1/(sqrt(1+x^2))+(1-2x^2)/(sqrt((1+x^2)^5)))dxi se q u a lto e^x(1/(sqrt(1+x^2))+1/(sqrt((1+x^2)^3)))+c e^x(1/(sqrt(1+x^2))-1/(sqrt((1+x^2)^3)))+c e^x(1/(sqrt(1+x^2))+1/(sqrt((1+x^2)^5)))+c none of these

e^(-4x) sin 2 x

int (x^4-1)/(x^2)sqrt(x^4+x^2+1) dx equal to (A) sqrt((x^4+x^2+1)/x) + c (B) sqrt(x^4 + 2 - 1/x^2) + c (C) sqrt(x^2 + 1/x^2 + 1) + c (D) sqrt((x^4-x^2+1)/x) + c

inte^x^4(x+x^3+2x^5)e^x^2dxis equal to 1/2x e^x^2e^x^4+c (b) 1/2x^2e^x^4+c 1/2e^x^2e^x^4+c (d) 1/2x^2e^x^2e^x^4+c