Сократите дробь [latex]\displaystyle\frac{a^{2n}-b^4}{a^{n+1}-ab^2}[/latex]

[latex] \frac{( a^{n} - b^{2} )( a^{n} + b^{2})}{a( a^{n}- b^{2}) } = \frac{ a^{n}+ b^{2} }{a} [/latex]