求在给定点按下表取值的最低次的[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]次多项式[tex=2.429x1.357]VRboAeHsLwdAzMzzTPRyVw==[/tex]：[img=945x113]1795f3d006cd9e9.png[/img][tex=8.357x1.357]W+lHpsxkyGto3LSvI9s0s821yvYGNlkqyhJ6a3pTRTw=[/tex]近似地等于什么?

2022-07-23

求在给定点按下表取值的最低次的[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]次多项式[tex=2.429x1.357]VRboAeHsLwdAzMzzTPRyVw==[/tex]：[img=945x113]1795f3d006cd9e9.png[/img][tex=8.357x1.357]W+lHpsxkyGto3LSvI9s0s821yvYGNlkqyhJ6a3pTRTw=[/tex]近似地等于什么?

答案：

解：[tex=11.929x2.786]Ck4j1YFlvVH5wCAykOEMi+N0CwfhrJyTatwmhFItP1reOttIgjgw0uXyTzzCxvro7TXUzkY/+J8XEAIjG8ELG3ZZYjKO13CFxNA4sg8Y9dA2JXxqaEpuY2j6s0CWP6MA7isz+DdXkl5HB6EVmFQFOQ==[/tex][tex=28.786x5.786]a0s3MH7cLIdmiBRR0YN064ky45F5XN0bHg6ZMVwFYdIEaXvbB1tI7VzlHjgBG/S83/PcnVRNtSIGNlEvz8dkC0A9pdlrY8puYH2x2IuhF8jgD8rBFJ+gk64kZVEjxbpmukzyRcytvl46bS0SXpkG21ohXxlYJmkYW37RdTY3PiZZJpCLtvctcgB8s1xYaGNYBsUw+5t4xNsVDxUHvcydEBzQvaGfd24EJVye8watxi6FSdRVxc66xcF+Ll6UupRynRrDWX9hJQcmS69FB8p7cu5FBH3TJsIMPphsL3pTz7sMfi+fVlclQ8cpEFsCqJ/Yme9kn9qYl6S42qybVYQ4Mnng6QPVTkqVheJmtrd491lC7ZvKEXsDgE8NHgqIqLwtgXpaGVbpc0BEGNGCCuxKb82LIR+LnMxc2tJ8yjAp5kS4mWH+cVLGWhAobGjYNsWiKczcw2V6v/ww0PEnYCscGiZa6jYyO0C159swDEJZHjrfEk7fHaIExtmRwwpMXI7vMeLZqj9IaJ7V99O4fXgHx1N08HncFIjeZIsAKkHg6XOFWCiFS0MLrpJM10emodlOaYIvkMQmJNYhTb+IhfW29sed3tGMw2bJWuotrXamIqCAmVYSv66QDRk5U8Z9kqJfShZyL8HEoKTpGLH79XG/9CO5KVwIWhxSOeoCkfk0LJcy9kgyadgrTscKPidIZKBeWpKp8rrS6gxoyzoxfu98njbw6q9J/GbuZesv2a3zYV2ShU1UKoHLbb9KnTFvrJMn1m6641ueq394y14ezDmyNo+e0M4L0Sb/7MdP9FJ+GKTTNG7vtayjZ2Wwn7u68GUgKnCMkkTXfHt1Hnx32cHGng==[/tex]以[tex=7.5x1.357]X5TPzVLq6Sjb68b/DlOgUS4LkTOy2vPNOqZppcBfGg48usZ5w4iEWG0sYhR9Jt+Q[/tex]代入上式，化简即得[tex=31.429x5.214]CeOWlpLvH8Qhk/RmfIvBHRABfWy7RwWvnobXzwXoCTOUkaaUitg7DD4uBd192fX8XAxmdim0kxOh7joHBcVq1/ttLTGUKCYwzMtSqlxhIxXIp+W8OAHtH9w/pp/IGgCjXFGV3HMaPCze2UcLocSJ2fjXuNteK+ahR89vY0IkK3ccCD4wTCEIp2iHeBrG0WKFjJWHWhLv9IGfI0WlN+1v1D6jZ17rW8V/Emm5REiLLhjhftKjYhVidHSdzON6Wt6VyPcPDi/tMKORE1ot3gZVkLKB+8rgRYfARWehOD4qH208xlj/nQ37jYTxVI3d0azbXHLsulIA2soiV9YhP7aXtscCGE6SBjioLLLI0s55MjHmW6qt1DP4yi3mW8Wfs5qN697jXfNDmhVRlkQ7tlTpZQ==[/tex]

举一反三

内容

0
设 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex] 是一个 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex] 次多项式, 若 [tex=5.857x1.214]ozdy65cPHMQ591Py7rskdTarH+8DN8uJ5h1lSg+Y5lc=[/tex] 时有 [tex=4.786x2.5]VMi0WJGd3PH3PYSAAXJXQokHoKC3f5SWo43R6+KqGH0=[/tex], 求 [tex=3.214x1.357]5/fOSTUu0pIT54770SVryg==[/tex].
1
9判别下列函数是否是周期函数,若是周期函数,求其周期 :(1) [tex=8.357x1.357]jijpvC8Aw74QOOOJh5Va05j3PtA64Pms1Q5qDGlqeN4=[/tex](2) [tex=5.643x1.357]TG5DUF3HrCbhIJWDEcp5Pj9u3e2PUgpbN4NJQ6DZXLw=[/tex](3) [tex=5.714x1.357]SBxtvKszj8+jJcycMEKn5vqfhi5GLWqH4Gac9QRbIHc=[/tex](4) [tex=6.929x1.357]NZ5EVFRfE4pFsgkbEOhFkNg5/qZx8geAT5eL+yzbq1Q=[/tex]
2
证明: [tex=2.0x1.357]bhIid+utCyrxmES94DkZ5Q==[/tex] 中一个 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex] 次 [tex=3.214x1.357]3v8oITlFKdpOMseWKj2iV4GAQRAhLzmH+sXlhlPYXOU=[/tex] 多项式 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex] 能被它的导数整除的充分必要条件是它与一个一次因式的 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex] 次幂相伴.
3
表3 3给出Y关于X，X的线性回归结果。[img=597x133]17b00b1eab2e326.png[/img] 求拟合优度[tex=1.214x1.214]P3LPDgc2Q7c/wCL66Px9nA==[/tex]及调整的拟合优度[tex=1.214x1.214]pIdgZWBugoI7kaKkhUVTug==[/tex]。
4
构造区间 [tex=2.0x1.357]bXp5Vb63IyKXaWMS3BCP6w==[/tex]上的最小零偏差[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]次代数多项式。