Question 9Simplify $$\sqrt{2\left(1+\sqrt{1+\left(\frac{x^4-1}{2x^2}\right)^2}\right)},$$ where $x$ is any positive real number.$\frac{x^2+1}{\sqrt2x}$$\frac{x^2+1}{x}$$\sqrt{\frac{x^2+1}{2x^2}}$$x^2+1$$\frac{x^2-1}{\sqrt2x}$