Let f(x)=∫0x21+t4dtf(x) = \int_{0}^{x^2} \sqrt{1+t^4} dtf(x)=∫0x21+t4dt. If h(x)=f(x)h(x) = f(\sqrt{x})h(x)=f(x), what is the derivative h′(1)h'(1)h′(1)?
2\sqrt{2}2
111
5/2\sqrt{5}/25/2
2/2\sqrt{2}/22/2