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
收錄日期: 2021-04-22 00:51:26
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https://hk.answers.yahoo.com/question/index?qid=20100925000051KK01198