What is the order and degree of the differential equation $(\frac{d^2s}{dt^2})^2+\frac{d^2s}{dt^2}+t\frac{ds}{dt}=0$?
Answer & explanation
Correct answer: option 4
Highest order derivative is $\frac{d^2s}{dt^2}$. So order 2. The power of $\frac{d^2s}{dt^2}$ is 2 so degree 2.