what does (ds/dt)2 (d2s/dt2) represent

ds/dt = velocity


(ds/dt)² = velocity²



d(velocity)/dt = acceleration

d (ds/dt) / dt = acceleration

d²s/dt² = acceleration


For understanding the logic:

First, go through this link: 



Please try to understand the topic of differentiation as given the ncert math textbook, just the basics. Then you will be able to understand the concept used. It is highly important that you understand this so that you may get good marks.

Feel free to ask if you have any doubts.

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