2) e tan x

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 84E
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find the power series expansion of the following functions:
2) e* tan x
Transcribed Image Text:2) e* tan x
ALGEBRAIC OPERATIONS WITH POWER SERIES:
The operations of algebra may be applied to power series in the same
manner that they are applied to polynomials, provided that the given sernes
satisfy certain conditions of convergence.
Let
ao + ax + ax? +
. + ax" +
...
and
bo + b,x + b,x2 + ... + b,x" +
be convergent power series. Then new convergent power series can be ob-
tained as follows:
1) By adding (or subtracting) term by term
+ (a, + b,)x" +
(ao t bg) + (a, t b,) x +
2) By multiplication and grouping terms
(aobo) + (agb, + a,bo)x + (aob2 + a,b, + azbo)x? + ..
3) By division
4) By substitution
Transcribed Image Text:ALGEBRAIC OPERATIONS WITH POWER SERIES: The operations of algebra may be applied to power series in the same manner that they are applied to polynomials, provided that the given sernes satisfy certain conditions of convergence. Let ao + ax + ax? + . + ax" + ... and bo + b,x + b,x2 + ... + b,x" + be convergent power series. Then new convergent power series can be ob- tained as follows: 1) By adding (or subtracting) term by term + (a, + b,)x" + (ao t bg) + (a, t b,) x + 2) By multiplication and grouping terms (aobo) + (agb, + a,bo)x + (aob2 + a,b, + azbo)x? + .. 3) By division 4) By substitution
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