1.lim(x→∞)(1/2√x)cos√x = 2.lim(x→∞)sinx = [还是不存在]3.0*∞ =
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1.lim(x→∞)(1/2√x)cos√x=2.lim(x→∞)sinx=[还是不存在]3.0*∞=1.lim(x→∞)(1/2√x)cos√x=2.lim(x→∞)sinx=[还是不存在]3.0*
1.lim(x→∞)(1/2√x)cos√x = 2.lim(x→∞)sinx = [还是不存在]3.0*∞ =
1.lim(x→∞)(1/2√x)cos√x =
2.lim(x→∞)sinx = [还是不存在]
3.0*∞ =
1.lim(x→∞)(1/2√x)cos√x = 2.lim(x→∞)sinx = [还是不存在]3.0*∞ =
1、极限为0(左边因式无限趋近于0,右边为有界函数)
2、不存在
3、虽然有因式为无穷,但还是0
举例:lim(x→∞)0*x=0
但是这里的0必须是确定为0的而不是极限为0,否则有各种结果
如:lim(x→∞)(1/x)*x=1 (1/x极限为0 )
1.lim(x→∞)(1/2√x)cos√x = 2.lim(x→∞)sinx = [还是不存在]3.0*∞ =
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