问题
单项选择题
For all real numbers ν, the operation ν*is defined by the equation
. If(ν*)*=8, then ν=
答案
参考答案:B
解析: 根据定义可得:
[*]
再运用定义可得:[*]
For all real numbers ν, the operation ν*is defined by the equation
. If(ν*)*=8, then ν=
参考答案:B
解析: 根据定义可得:
[*]
再运用定义可得:[*]