已知根号3a+1+根号b-1=0,那么a的平方减b的2013次方等于
人气:202 ℃ 时间:2019-08-17 22:18:39
解答
因√(3a+1)+√(b-1)=0
所以3a+1=0,b-1=0
解得a=-1/3,b=1
所以
a²-b^2013
=(-1/3)²-1^2013
=1/9-1
=-8/9
如还不明白,请继续追问.
手机提问的朋友在客户端右上角评价点【满意】即可.
推荐
猜你喜欢
- Why don`t you talk to her about it 同义句__ __ talking to him about it?
- 坚持做一件事情就会成功,这句用一个四字成语概括
- 两捆电话线的长度相等,如果第一捆剪去20米,第二捆剪去4米,那么第二捆剩下的长度正好是第一捆余下长度的3
- You're shorter than me的问句 My legs are longer than yours的问句 She is 2years younger than you
- 已知三角形ABC中,A(2,-1),B(3,2),C(-3,-1),BC边上高为AD,求向量AD及D点坐标
- My father will come back in a week .同义句转换( )( )a week ()my father comes back.
- I don't regret the things I've done,I regret the things I didn't do when I had the chance.不为做过
- 例句:书似阶梯,开启心灵之门;书似灯塔,照亮前行之路.仿句:(>_