In Maclaurin’s series expansion, where up to f”(0) need to be evaluated, can be done quickly using the GC.

**Example**

Expand up to powers of 2.

Using TI 84 Plus (OS 2.55)

From G.C,

f(0)= 3/2

f'(0) = -3/4

f”(0)= 5/4

Therefore using Maclaurin’s series expansion,

If powers higher than 2 such as 3 are required, then do differentiation to find the first derivative. Then enter into Y1. Y2 and Y3 will then give the second and third derivative.

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