QUESTION 01 / 06easy
Simultaneous DEs involve:
QUESTION 02 / 06easy
The main solving technique is:
QUESTION 03 / 06medium
After finding , we find by:
QUESTION 04 / 06medium
For and , eliminating gives:
QUESTION 05 / 06hard
For , , the path is:
QUESTION 06 / 06hard
To solve , , , we differentiate to get: