Find the derivative of f(x)=arcsinh(x2)=ln(x2+x4+1)f(x) = \text{arcsinh}(x^2) = \ln(x^2 + \sqrt{x^4+1})f(x)=arcsinh(x2)=ln(x2+x4+1).
2xx4+1\frac{2x}{\sqrt{x^4+1}}x4+12x
1x4+1\frac{1}{\sqrt{x^4+1}}x4+11
x21−x4\frac{x^2}{\sqrt{1-x^4}}1−x4x2
2xx4+1\frac{2x}{x^4+1}x4+12x