• 2022-06-09
    判别函数 [tex=13.786x2.786]71FMe7HfNizoSvp2gHGRPU4HdCKropKKBsnXfwP9zJBdOsOjpJR4h8NKdLjVTmbUb2AOpr0gbz0k45Eb/KtThFkR63Q3r9s+ArjMcIecQBuiT7j5Da//TiUx5KpGicInn1xDL1XCi68h50ATwC6bIA==[/tex] 是否为周期函数,若是,给出函数的周期.