Challenging!
2007-08-05 7:15 pm
In the expansion of (1+x)^(m+n), where m and n are natural numbers, prove that the coeff. of x^m and x^n are equal.
回答 (1)
2007-08-05 7:23 pm
參考: My Maths knowledge
收錄日期: 2021-04-23 17:11:45
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https://hk.answers.yahoo.com/question/index?qid=20070805000051KK01233