Question

5x^2/y * 7y^3/2x^3 ; 5a-5/a^2 * 3a^3/a-4 ; p^2/3q * 4q/2p ; (a/2b)^3;

Answer 1

5x^2/y * 7y^3/2x^3=35y^22x ;
5a-5/a^2 * 3a^3/a-4=(15a^2-15)(a-4) ;
p^2/3q * 4q/2p=2p3;
(a/2b)^3=a^38b^3