• 2022-06-04
    证明: 函数[tex=14.429x4.5]3hRmRrUJOhe4GuvitGjZ3LCuDVr1Z6WdsUcr7PQPj2lGPReNCDGk1+AUMaw+yfSKpyujRyxTlaInliK3WSP6EFYwBOTk/gQ4giJPCdqwrg7Oz3m/6T/8+PSJL6AZwIcv7/LiMb99dCr5RflBir/gRm4YDetrk1OfUfq2Ni6AvOEzN/EDV07K7zCPQXv5mvPJ[/tex]在点 [tex=2.857x1.357]YWtkApgNymqGUfnZfMRAzQ==[/tex]处沿过此点的每一射线[tex=14.429x1.357]lQjC2/InslTKw4939cCx1UEv+Ip1VuthoNQY65VuUvfTnQ6GYBInv/mkv7wa5loZpEfgS6udFqZUPh4eFw7NfQ==[/tex] 连续,即存在[p=align:center][tex=12.0x1.857]P+MMr+pgjG457zGlmXvkwEy3rEjqKB2nSb9FJ5+Q632RQpmG6RxcKvT7E9671yuw+ybhuUJjLVvYVFTJpeImIwGOUw1wZX7g6iCuJoqOHm8=[/tex]但此函数在点[tex=2.071x1.357]/B4OpizC+GWNmgu3h9VMGQ==[/tex]并非连续的.
  • 举一反三