Binomial Theorem (id: 6962fee25)

本题目来源于试卷:  Binomial Theorem ，类别为 IB数学

[填空题]
1. Write down and simplify the expz6 xk lbvhutdh 8,ck2z1pq36 ;yp42wc -g iev 1nocz-/ansion of $(3-x)^{5}$ in descending order of powers of x .   
2. Hence find the exact value of $(2.9)^{5}$ .   

参考答案:
空格1: -x^5+15*x^4-90*x^3+270*x^2-405*x+243  空格2: 205.11149±2% 


本题详细解析:

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