Question

упростить p^3/y^9 * y^6/p^4

Answer 1

$frac{p^3}{y^9}*frac{y^6}{p^4}=p^{3-4}*y^{6-9}=\\p^{-1}*y^{-3}=frac{1}{p^{1}y^{3}}=\\frac{1}{py^3}$