#### Agent Smith

##### Full Member

- Joined
- Oct 18, 2023

- Messages
- 294

1. \(\displaystyle V = \frac{4}{3} \pi r^3\), \(\displaystyle \frac{dV}{dr} = 4\pi r^2\)

2. \(\displaystyle A = \pi r^2, \frac{dA}{dr} = 2\pi r\)

What is the significance of these relationships?