a^5+5a
=a^3.(a^2+a+1) - a^2.(a^2+a+1) +(a^2+a+1) +4a-1
=4a-1木有具體數(shù)字么
當a^2+a+1=0時,a^5+5a=?
當a^2+a+1=0時,a^5+5a=?
數(shù)學人氣：988 ℃時間：2020-07-03 21:08:37
優(yōu)質(zhì)解答
我來回答
類似推薦
- 如果a^2+a一1=o,求a^5一5a的值.
- a+1/a=√5 a-1/a=±1 那么a^3-√5a^2+a+√5的值
- 已知a²+a-1=0,求a^5-5a+2的值
- 若a^2-5a+5=0,則√(1-a)^2
- a^2-5a-1=0,則a^2+1/a^2=?
- 函數(shù)f(x)=sinx-cosx^2的最小值是?
- 英語翻譯
- I took my grandpa to the hospital this morning,_____ I missed the first class.
- So crazy
- 方差是各個數(shù)據(jù)與平均數(shù)之差的平方的平均數(shù)
- 函數(shù)y=f(x)與它反函數(shù)y=f^-1(x)怎么讀?
- These are photos of my families.Look at them 改錯
猜你喜歡
- 1平面與平面重合,是否屬于平行一類?那重合的兩直線,也屬于平行一類的嗎?
- 2非洲每年因饑餓死亡的人數(shù)及現(xiàn)在饑餓人口數(shù)量拜托各位了 3Q
- 3decide to do sth.還=什么
- 4(7/8)o you think of london?B:5.____london is one of the liveliest cities
- 5啤酒可以托運嗎
- 6邊長為2√6的等邊三角形的中心到一邊的距離為?
- 7please give your hand to help me
- 8已知2的X次方等于3的Y次方等于6的Z次方不等等于1,證明X分之一加Y分之一等于Z分之一.
- 9幫我做做?
- 10機械分析天平TG628A的使用說明書
- 11in winter ,we wear warm coats to protect our bodies_.
- 12( )was most importance to her ,she told me,was her family it this what as