Derivatives and Integrals via Taylor Series v2

This video shows how to use Taylor series to find derivatives, integrals, approximate defiinite integrals, and solve differential equations.

[darkseid]

But we get power series of a function by differentiating that function ....
So if we know power series of a function, we obviously know the derivative of that function .
So in this sense finding derivative using it's power series seems pointless ?