matlab的问题（求极限）
代码：clc; clear all;
syms x t
f1 = (x*(exp(sin(x))+1)-2*(exp(tan(x))-1))/(sin(x)^3);
J1 = limit(f1, x, 0);
f2 = (1+2*t/x)^(5*x);
J2 = limit(f2, x, inf);
J3 = diff(x*exp(x), 3);
J4 = int(1/(1+sin(x)));
J5 = int(8*x*t, x, 3, sin(t));
pretty(f1);
disp(J1);
pretty(f2);
disp(J2);
pretty(J3);
pretty(J4);
pretty(J5);
clc; clear all;
syms x t
f1 = (sin(x)/x);
J1 = limit(f1, x, 0);
f2 = (1+2*t/x)^(5*x);
J2 = limit(f2, x, inf);
J3 = diff(x*exp(x), 3);
J4 = int(1/(1+sin(x)));
J5 = int(8*x*t, x, 3, sin(t));
pretty(f1);
disp(J1);
pretty(f2);
disp(J2);
pretty(J3);
pretty(J4);
pretty(J5);
clear all;
syms x
f1 = (sin(x)/x);
J1 = limit(f1, x, 0)
syms x
limit((sin(x)/x), x, 0)
f1 = (sin(x)/x);
J1 = limit(f1, x, 0)
disp(J1)
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