我想問(a+b)^6呢種題點做呀?
我記得有條公式可以求到的,但我記了,教番我得唔得呀
回答 (2)
Do you ask the general equation???
The general equation:
= nCr a^(n-r) b^r
In this case,
n = index = 6
r = 0 to n-1 ==> r = 0 to 5
參考: Me
收錄日期: 2021-04-13 19:03:01
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