英语数学题,求牛人解释并解答,谢谢
The function f(x)=x/x^2+2x+1 isundefined for how many values of x.
A 0 B 1 c2Dmore than 3
是 x/(x^2+2x+1)
擦,这不等于问x^2+2x+1=0的解集么,只有一个-1啊,我才搞明白
人气:338 ℃ 时间:2020-06-18 05:38:30
解答
函数 f (x) = x/x ^2++ 2 x + 1 是多少的 x 值为未定义.求详解x^2+2x+1=0 (x+1)^2=0x+1=0x=-1
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