Under construction
Stations under construction may not yet contain a good range of resources covering all the key questions and different types of problem.
What is a power series for a function?
Key questions
- 1
Can we write a function \(f(x)\) as a series of powers of \(x\)?
- 2
What is the power series for \(e^x\) and for other familiar functions?
- 3
How can we use power series to approximate values of expressions?
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Developing...
| Resource type | Title |
|---|---|
| Investigation | Designing a polynomial |
Review questions
| Title | Ref |
|---|---|
| Can we expand $(1+x)^{3/2} + (1-2x)^{3/4}$ as far as the term in $x^3$? | R7436 |
| What is this algebraic fraction if its expansion has no $x$ term? | R6601 |
