• 2022-06-26
    已知二维随机变量 [tex=2.643x1.357]DJUMdJyw8QoCXHzomLtAYg==[/tex] 的联合密度函数为 [tex=19.357x3.357]3hRmRrUJOhe4GuvitGjZ3LCuDVr1Z6WdsUcr7PQPj2mYUx70zk7TEPpxD8sh6Iau0YbZ3I4DlPp8Llvj8Nvcysnte899GF/VjgdqPY1AqfhBimvFmtX6Tp816IrqBxfp[/tex]求常数 [tex=0.571x1.0]rFc/sfAAuCOtzhevhoREeA==[/tex]
  • 举一反三