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Maclaurin's theorem   (English)

Definition (advanced level)

The special case of Taylor's theorem when a=0, i.e.
for a given function f whose (n−1)th derivative is continuous in [0,b] and whose nth derivative exists in (0,b), we can write f(x) as a Taylor series ie:
f(x)=f(0)+f′(0)x+f′′(0)x2/2+f′′′(0)x3/3!+... +f(n−1)(0)xn−1/(n−1)!+Rn.
(x must lie in [0,b].) Rn is a remainder term; it can be written in various forms; its value is usually small.

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