Use Part 1 of the Fundamental Theorem of Calculus to Find

Multiple Choice

Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. $h(x) =\int_{1}^{\sqrt{x}} \frac{z^{2}}{z^{4}+1} d z$

A) $\frac{\sqrt{x+1}}{x^{2}+2}$
B) $\frac{\sqrt{x^{2}+1}}{2}$
C) none of these
D) $\frac{\sqrt{x}}{x^{2}+1}$
E) $\frac{\sqrt{x}}{2\left(x^{2}+1\right) }$