F.4 M2 binomial theorem (10分)

2010-09-26 2:02 am
find the terms as indicated in the following binomial expansions
(1+2x)^2(3-x)^4, the term containing x^2
(2-x)^5(x+2)^3, the term containing x^2

please write clear steps
thanks

回答 (1)

2010-09-26 2:19 am
✔ 最佳答案
As follows:


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