Calculus
posted by Liz .
Please help!!
Differentiate:
y=(x^21)^(1/2)/x^2

Chain and quotient rule
((1/2)(2x)(x^21)^1/2)x^2 2x(x^21)^1/2)/x^4
simplifies to
(x^3(x^21)^1/2 2x(x^21)^1/2)/x^4
simplifies to
(x^21)^1/2(x^2)2(x^21))/x^3
final answer
((x^21)^(1/2))(x^2+2)/x^3