Question

Сократить дробь
$frac{ y-16y^{ frac{1}{2} }}{5y^frac{1}{4}+20}$

Answer 1

y^1/2*(y^1/2-16)/5(y^1/4+4)=y^1/2*(y^1/2-4)(y^1/2+4)/[5(y^1/4+4)=
=y^1/2*(y^1/4-4)/5