InfiniteSeries China Intermediate

Problem - 4597

Let $f(x)$ be a twice differentiable continuous function, and $f(0)=f'(0)=0$, $f''(0)=6$. Find the value of $$\lim_{x\to 0}\frac{f\left(\sin^2{x}\right)}{x^4}$$

The solution for this problem is available for $0.99.
You can also purchase a pass for all available solutions for $99.