https://www.bilibili.com/video/BV1y7411L7UV?from=search&seid=5721202782507244861
The product of the derivative of the original function and the derivative of the inverse function is equal to 1.
https://www.bilibili.com/video/BV1y7411L7UV?from=search&seid=5721202782507244861
The product of the derivative of the original function and the derivative of the inverse function is equal to 1.