Factor
>
factor(expr);
Factorise l'expression
expr
.
Exemple
>
expr := x*sin(x) + x^2*sin(x);
expr
:=
x
sin(
x
) +
x
2
sin(
x
)
>
factor(expr);
x
sin(
x
) (1 +
x
)
>
expr := (x*sin(x) + x^2*sin(x)) / (cos(x)*x - cos(x));
x
sin(
x
) +
x
2
sin(
x
)
cos(
x
)
x
- cos(
x
)
>
factor(expr);
x
sin(
x
) (1 +
x
)
cos(
x
) (
x
- 1)