Xiang Li-哈尔滨理工大学

clear;
syms x a
F=(1+a/x)^x;
limit(F,x,inf,'left')

clear;
syms x
y=log((x+2)/(1-x));
dy=diff(y,x);
dy3=diff(y,x,3)
pretty(dy3)

clear;
y=(sym('x^5+x^3-sqrt(x)/4'));
int(y)
pretty(ans)

clear;
syms x
y=(x*exp(x))/(1+x)^2;
int(y,0,2)

clear
syms x y
f=x*x+y;
int(int(f,y,x*x,sqrt(x)),x,0,1)

clear 
syms x y z
z=sqrt(1-x^2+y^2);
f=x*y*z;
l=int(int(f,y,0,sqrt(1-x^2)),x,0,1)