利用 [tex=3.214x1.0]HJsoFybcQeds2edmO5YGyw==[/tex] 公式计算 [tex=3.286x1.786]2sdUR+k6S1nxjUJWPkc+tVKK65L5b6/a2H71XhPcfcE=[/tex] : [tex=4.786x1.214]PjtRFRL7Sy94PtSENeLoqg==[/tex].

2022-06-01

利用 [tex=3.214x1.0]HJsoFybcQeds2edmO5YGyw==[/tex] 公式计算 [tex=3.286x1.786]2sdUR+k6S1nxjUJWPkc+tVKK65L5b6/a2H71XhPcfcE=[/tex] : [tex=4.786x1.214]PjtRFRL7Sy94PtSENeLoqg==[/tex].

答案：

由 [tex=30.357x2.786]BuLtp1hFlRqjPolyxzkGBel3GyRnoTYHi1pt5D805AAibazaveP3uZ6D9pR2dvjehZR4q8IhysXXwDKz9vqmUNrMAdKdjLgdqPeI82ho+08aIDUC5RGukkrArlkg1KoCWH/3LJqRo3mjh7G0gQ58dJQDYu0oUUsAnHUR8cOrQ4DY1bxphCt79cmsHjHjbK4qVV7mbsAA2DWiShUDVCSnufJmOePQjFWlyBL6Og6ucLuAiC0Gk+w/RbHI+/604X0q7wYrkf2//DJHNP/E02W1hPlNwBHvkkt+nwvOCDA0fb4gMM0B0wjGelb6PNXNwTdmjBk49jR7bzL1J3u2N47TlpJi1QasyjyuP2iix+OAy6BPf0uiiarqX0sJu0AfFBJ7[/tex], 令 [tex=1.857x1.0]bOlCq/PHWhsSVMaVf7Obdg==[/tex],可得 [tex=3.357x1.429]O160CbAByJ4UWvG60wRDGsi0yCP/JfBOjWXbu3yNfwI=[/tex], [tex=3.571x1.429]eE9dXkpN2effVrNkAbXJmHMwS+9CG2leGDHYfm4DP4M=[/tex], 且 [tex=6.571x1.571]dhYw4V4VMa5UQ/Htqe0QEMxSDol+6Jcg+T8LenSk2rycmrQuKOYQC2lt9vjyvpjzMh8J5wd8oHkMJ9tc1iBAnQ==[/tex] . 在等式 [tex=6.571x1.571]dhYw4V4VMa5UQ/Htqe0QEMxSDol+6Jcg+T8LenSk2rycmrQuKOYQC2lt9vjyvpjzBNY2AjZ41x5DJECwivHjhA==[/tex] 两边对 [tex=0.571x0.786]ZKO2xs0EgSemzoH7MSmYTA==[/tex] 求 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex] 阶导数 [tex=3.214x1.357]3v8oITlFKdpOMseWKj2iV4GAQRAhLzmH+sXlhlPYXOU=[/tex], 得到:[tex=20.0x2.714]noiunGLCfE61ToCEZ9TKv+A/QLRfMQF3/clXzk8QlD2ptjKZBtUluXy/aWCEsFy9/uGF+/+GK/o6+gI2BQaYk6rTSEvibAYKVGHd4B4Zna3D/Nbc/X3T3Es+5r59giHvOUDCTVOoeh52vUyQYWPmNw==[/tex]即 : [tex=23.429x1.786]Uwb/03ouX+8PmyRSAnYmetqu8sXEig9FApYlritOXGvO3UyKvaFsTem1slxYi13+xmU5BspEgN8koOsRMd5anFzgMm/ceTq0qw2HzY0CI0LuxP0V3I2GbAqb38DagaII[/tex],[tex=23.071x1.643]4gtrTTaFsHOkvANlf71gW4lFRvf+QF7Gg9XH0rx5fSlFzmCBii2dtni/pdYSfiIPV7XwizueCMCrwSheM4qYh02jVoheJi6q9B5Wrrrds3OOsZYb1avkqYgcHYvtIUg3[/tex]以 [tex=1.857x1.0]bOlCq/PHWhsSVMaVf7Obdg==[/tex] 代人,得到递推公式: [tex=8.286x1.571]jg9V1aCfiSlJOBnb6NDmLUw+56iQ/EqDRNFNIscb0U0=[/tex], 从而得到 [tex=14.714x3.643]6+FfJ0jASpm13AFdC/uCOk75BWY0lNdS+kwXaBiKFXFebh24lyKQkOBamJ+qcc6eiRfB4Wg5F2XZ6zRTK57usla44yLa01Kk6Wpa4n159aH72uLUjt6nu/LiUvk4qrW6[/tex]

举一反三

内容

0
对于以下两种情形:(1)x为自变量,(2)x为中间变量,求函数[tex=2.214x1.214]sy9gaFRMGlrH59gm9bWSDg==[/tex]的[tex=1.5x1.429]5W5tOYbJ+LlsRP2dMsi4byxwtjvvL/3u7NEzPV5PWp0=[/tex]
1
7个变量出现在计算机程序的循环中。这些变量以及必须保存它们的计算步骤是： [tex=0.429x0.929]r8lLiDb0KHTzu/2y/Au89w==[/tex]：步骤1~6；[tex=0.643x0.786]cnVwa8IjZzNSEmAUXJ8VCQ==[/tex]：步骤2；[tex=0.5x0.786]GWrvJtODhYOBa2bpkSPSFQ==[/tex]：步骤2~4；[tex=0.786x0.786]44SGfA2gQ2VZlXa1QKZD0Q==[/tex]：步骤1，3和5；[tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]：步骤1和6；[tex=0.5x1.0]iwXm0SwS+lfupyC0IyH8yQ==[/tex]：步骤3~6；以及[tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex]：步骤4和5。在执行期间需要多少个不同的变址寄存器来保存这些变量?
2
下列函数是哪些函数复合而成的？（1）[tex=4.214x1.286]6PuLCl/TwscTl61WSePGog==[/tex]；（2）[tex=5.214x1.286]+mZ2Cm2OprRKGTGg0iqmyZx+4lZ796PxrSQNx30R9UU=[/tex]；（3）[tex=4.214x1.357]jTbrMH55vzOFOJlLSnfh103OHFmRhIjXZGzPnfweOX0=[/tex]；（4）[tex=6.071x1.286]W2A0mViHY0pK74wEByr6ED5K+AKV/pxHaeQdYGQBxwc=[/tex]；（5）[tex=6.714x1.429]8up/G1s+GteD9ejcGkFVmYl3TTtTik5kuwrPDCv0JkbGIWyY33cnaw7XtBiPcSnh[/tex]；（6）[tex=5.714x1.286]APaFs2rWyubdkzLcUVVxVJSSAsLEOtXn4KjnToE2BQA=[/tex]；
3
设[tex=4.786x1.214]99Oi9AZizu+X9PK5CBb8uXcHB+2+6ZE78oUe76WDeeg=[/tex]（1）证明它满足方程[tex=17.286x1.643]Ztc4eTjZTO/VJdqS0ZxH2eGEleL1xb1t1fPsZrVT951ymaAbMG2Xks6pkpmDk5oMnewhI1QxqzAeV46OVTR8nwCa17a6zQV8omb2tsAoyNs=[/tex]（2）求[tex=3.214x2.214]sxdWfpQMRl0A8KEL2m8t2gG2HdrVL8eMqi42J2PaLYpG4z4bpFCpaaQisrIWH8z+[/tex]
4
以下生产函数,哪些呈现递增、递减或不变的规模报酬? (1) [tex=7.357x1.357]XSZKoB4IYW0Gbq0fT0VGdpSNRrjnZD2xnWmU/f2IQp4=[/tex];(2) [tex=6.143x1.429]okrkibdGbRVHrBdqyMxExPok6BrwJhbIMhhTVHL2hFY=[/tex] ;(3) [tex=5.643x1.429]WNb39kBjYbA4R0b5xpycO6BfDidhMTx+CJojlGf/sDI=[/tex] ;(4) [tex=5.714x1.429]Q1cnNTo244ZQVvSfsdGe76qdAT4+f111LLhIL1D55FU=[/tex] ;(5) [tex=6.071x1.5]dAAyESpT8Py6v5ArhYZSS1Xe6blQtgeWYyWAhAqHmXM=[/tex];(6) [tex=7.857x1.357]anw59zoD7yqd/X4i/8QKFNeAPD+1K7uzfET7zeE1EfA=[/tex](7) [tex=12.357x1.786]+PkwdonbCCj8Z9ceWnLUNRl3BL2oikAY4KmA/JNGWpzhYYTWMLiiFXC1n+tRPPVU4A8W2gY6kNpJrJFuuPY6SA==[/tex]