5(125)^(1/3)-2(243)^(1/5)

Question

5(125)^(1/3)-2(243)^(1/5)

Answer 1

5*125^(1/3) - 2* (243 )^1/5 = 5*(5^3)^(1/3) - 2*(3^5)^(1/5)  = 5*5^1 -2*3^1 = 5*5-2*3=25-6=19