设[tex=3.143x1.357]+E+EcJyneTJKRl0PxOQvtg==[/tex]在[tex=2.0x1.357]Az4ohoomfEMh5o8uh4mLdA==[/tex]上连续.证明[tex=7.643x2.643]w+cNnoXFdXbPrw4KeXcwULEfAqNoBygTmJGqTqk1dQ8wa6fH8yXPgJdt/pWiQJv2[/tex]在[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]处有右导数,且[tex=4.929x1.5]vfZPiXcGyoRsmJIztrfex7bEeo69vpe9yuejLff3oq0=[/tex].
举一反三
- 静止型[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]地中海贫血患者之间婚配,生出轻型[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]地中海贫血患者的可能性是 A: 0 B: 1/8 C: 1/4 D: 1/2 E: 1
- 设[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex],[tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex]是整数且不全为0,而[tex=9.857x1.214]hhHzRVDsWGXE+Yltfe39hDUdsl3Yzf9jGRPDg4wYEoJYR6eBGAfms1GUG8a2PN1l[/tex],证明[tex=0.571x1.0]TcM6B5Wrs5vy9dWrxRPSdg==[/tex]是[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]与[tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex]的一个最大公因数当且仅当[tex=4.214x1.357]jI1oqbiyUHYU1xbNvvBdDK5ib01K7Vb7AmVkL7RKEyk=[/tex]
- 设函数[tex=0.5x1.214]0K9Xf7VHWdVeOrSYAKIm6Q==[/tex]在点[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex],具有连续的二阶导数,证明:[tex=15.286x2.5]JWlL+pXxRcPtkvAO+24rrnkmYexDLbfwxvoPzVHSkLUNXloVGafJMRclg7u2X9pC0tGxnp7GLocXR0NPO1GAJC2f0hEMMhFikRJ1Ds4NCG/YPalbB2p4jeIbBwPMYGFN[/tex]
- 设[tex=1.714x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex]在点[tex=1.857x1.0]X7etWab1J10Xwqu65uIXXQ==[/tex]处连续,且[tex=12.857x4.214]ACpG7W/lXiEwdW69ASBj89VuE0FUo5hY+ev/XmQQZBmt2Rmo8zFLPLbChryg6WbGJPIO0EekNf3wY3bnTgGjaZRcEYBEtbXnrr1iLTkjb9W8cOYIXW9SRPtX4aPee3AG19NuJ8UzWlbVYLXtO8kJVA==[/tex],求[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]。
- 设函数f(x)在[tex=3.286x1.357]64m0xE4nFlaKGIakApV0PA==[/tex]上连续,且有f(0)=0及f'(x)单调增,证明:在[tex=3.5x1.357]vgrW1/jK/GZ1TOWaPFIQWA==[/tex]上函数[tex=5.071x2.429]KmCvFjqAEA9O51+9erVGP+KtDDqVtXZQWqxj1eiTO5k=[/tex]是单调增的。