lim x2 − 1 e = ( )X1 x − 1
- 首页
- 医师定期考核
-
1.lim x2 − 1 e = ( )X1 x − 1
-
2.、求极限: lim ( x2 x 1 x2 x 1) .
-
3.-X=(X1=(X1-X, X2,X2,-X,,Xx,Xn________________X1X2IXn-X-X.nfX1X2Mn丿所以fn —1= (Xi,X2,…,Xx:= ZAZ(2
-
4., lim ( 1) nA,1,但 lim( 1)n 不存在。 n当x时,lim f x
-
5.lim(x趋向于0)(1/x-1/e的2x次方-1)
-
6.lim(x/2)^(x/x-2).x趋向于2!第二题:lim(e^(x)-1/x).x趋向于0
-
7.已知总体X的分布为P{X = i} = 1/4, i = 0, 1, 2, 3, 抽取n = 36的简单随机样本X1, X2, ..., X36, 若Y = X1 + X2 + ... + X36, 则
-
8.已知总体X的分布为P{X = i} = 1/4, i = 0, 1, 2, 3, 抽取n = 36的简单随机样本X1, X2, ..., X36, 若Y = X1 + X2 + ... + X36, 则
-
9.已知序列x1[k]=[3,1,1], k=0,1,2 x2[k]=[1,2,1,-1],k=0,1,2,3 计算x[k]=x1[k]*x2[k],则x[2]等于( )
-
10.(1) lim x sinx→0X