Question

write something based on this picture.
One rule of ICSC board rule​

Answer 1

Answer:

$\sf \: S^{\prime \prime}(x)=\dfrac{\sqrt{100-x^{2}}(-4 x-10)-\left(-2 x^{2}-10 x+100\right) \frac{(-2 x)}{2 \sqrt{100-x^{2}}}}{100-x^{2}}$