设[tex=5.857x1.357]KV5kZq3AvK+03CLSTC4fdSXZRn93cbAQRcFuQ6CXv14=[/tex]则[tex=2.929x1.429]pVxxDX5WT+qrcBCDYRfWP/D0K/VNE2hvsuJ1otAnhMI=[/tex][u] [/u][br][/br]
举一反三
- 设函数 [tex=11.571x1.357]4z5pgOZshJqp9q6TFGtfVCSUy5vK5K2ZA+wyggXFF4M=[/tex] 则[tex=2.929x1.429]j0dbOmFELnxE2KqwRwAMrw==[/tex][u] [/u];[tex=3.143x1.929]PZ9UVo4zsmEWodBI81rRwUGUDXpCN1qk8D6ITWRcrVs=[/tex][u] [/u][br][/br]
- 设 [tex=4.429x1.5]/Ksc4GusLUrUS5tr37rY6d2cHVRTVk0w3dsW4m+kpAY=[/tex], 则 [tex=5.857x1.357]alSFl+JWfwzSrO1AAE3NosOYvJuN8GsSZY9d00p9IrA=[/tex][u] [/u].
- 设 [tex=7.929x1.643]6trlaoDeR5xOFkCUAq2GviKt1Qn+LVAjrXapm8Q8UmqT0cldtAVilhFFBHX4QaP0[/tex]则[tex=3.143x1.929]PZ9UVo4zsmEWodBI81rRwUGUDXpCN1qk8D6ITWRcrVs=[/tex][u] [/u][br][/br]
- 设随机变量[tex=4.571x1.357]XVLbEX88pfnlZt2LzadwAQ==[/tex], 令[tex=12.643x2.786]OyosgUaOmtdsSeBXPnLlP6Yv1LY3vSSN8Xxxi2amUZI0EL/M/D0xw5FgQPpeTzctZ6j8gB8eNeYBCsiBMuTvhgjepLXLdOuLILmKdkU05bP8XI+eH45mW+blAJvAG2i6[/tex], 则[tex=3.643x1.357]QvdrmMEkEkXBcM7p9FuvTUZQkVyMBn3HfmpGxCP9g18=[/tex]的联合概率分布为[u] [/u][br][/br]
- 设 [tex=15.286x1.357]4z5pgOZshJqp9q6TFGtfVH7Fl3mE9XM3i9gkHJuHg3eSuOQRnUc+W5q5yrS5Zzt+ytxX9eMcaWnVwj20gVBJyQ==[/tex] 求[tex=2.929x1.429]Q2lN9l3thZwwi/Hs1tT9sXsLW3+HkdOtaXFhxp50zX8=[/tex][br][/br]