| expression expression | The expression for which the partrial fractions are to be found. |
| expression x | The variable for which the partial fractions are to be found. |
var x = nerdamer('partfrac((x^2+a)/(x*(x-1)^3), x)');
console.log(x.toString())
var y = nerdamer('partfrac(1/(x^6+x^5),x)');
console.log(y.toString());