(a+b)的4次方是甚麼？
回答 (3)
2017-10-05 10:38 am
is it (a+b)(a+b)(a+b)(a+b)
2017-10-04 4:52 pm
a^4 + 4(a^3)b + 6(a^2)(b^2) +4a(b^3) + b^4
2017-10-03 9:04 pm
Sol
(a+b)^4
=a^4+4a^3b+6a^2b^2+4ab^3+b^4
(a+b)^4
=a^4+4a^3b+6a^2b^2+4ab^3+b^4
收錄日期: 2021-04-18 17:50:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20171003115038AAj7quI