Binomial Expansion
- Created by: eleanor
- Created on: 17-04-15 12:52
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- Binomial Expansion
- Bracket starts with 1
- substitute into formula
- make sure the x term is in a bracket as the power applies to all of it
- make sure you write out the equation in full to gain marks
- take care with +/- signs
- Brackets that don't start with 1
- divide by the number that is there instead of 1
- take it outside the bracket and apply the power to it
- find the binomial expansion and then multiply it all by the constant
- to approximate a value
- 1. find the expansion in the usual way
- 2. equate the question to the approximate to find x
- 3. substitute x into the expansion to obtain the approximmated value
- finding the percentage error
- (difference between exact & approximate) /exact value
- Untitled
- Bracket starts with 1
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