Current location - Training Enrollment Network - Mathematics courses - Advanced mathematics, higher-order partial derivative, please explain how the position of my drawing line changes.
Advanced mathematics, higher-order partial derivative, please explain how the position of my drawing line changes.
1, the derivative method of this question is to use the chain derivative rule of composite function;
? Compound function = compound function;
? Chain derivative rule? = Chain rule.
2. For the specific solution process, please refer to the following three figures.