f:=x->x^2+sin(x)+1:
a:=0:b:=1:
Integrate(f(x),x=a..b);
integrate(f(x),x=a..b);
Integrate(f(x),x=a..b)=integrate(f(x),x=a..b);
求数值解
f:=x->x^2+sin(x)+1:
a:=0:b:=1:
m:=integrate(f(x),x=a..b):
f:=x->x^2+sin(x)+1:
Integrate(f(x),x=a..b)=m;
Integrate(f(x),x=a..b)=evalf(m);
f:=x->1/sqrt(1-x^2):
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