- #1
splelvis
- 10
- 0
Homework Statement
i had solve the C1 question,
But in c2,
i am not sure what is the relationship between r(t)=x^2(t)+y^2(t) and the r'=r-r^3.
not get the meaning of that question,
how to use the r(t)=x^2(t)+y^2(t) to get the r'=r-r^3?
can anyone explain to me? thanks!
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