判别函数[tex=6.071x2.429]136nSagFHBLZbvwJF94oeiHMzkNEt24PDSa9VeqzrBE=[/tex] 的有限奇点的类型.

求下列复数的模与辐角：[tex=6.071x2.429]6z3T/lctzogyCCMPzOHKQCv2E1wkiLGFiusvK/XKEZck3ueIXUmsS1ujKP7Fh0jr[/tex].

求拟合函数[tex=6.071x2.429]xd9gJ2dX+bRi39um5frLyPCdtn8TaFBpKTTfCcTGZAo=[/tex]，拟合如下数据：[img=530x59]1770e7c33a49235.png[/img]

求以下复数 z 的实部和虚部、共轭复数、模与辐角：[tex=6.071x2.429]zhpULKfwC2jjq1//Sj+MhT1zGSFK+hbAlV/SP1HhYbo=[/tex]

电路如图所示，JFET的[tex=8.5x1.214]DPgaucmphrJn0OU9PYj+IOLLpK7qH9lyfSgbRgnZzzYAqNrKFpD/HcSHDS2ztmGn[/tex].[img=438x346]179e5236c9bd2fa.png[/img]求双端输出时的差模电压增益[tex=6.071x2.429]bfjdqPSUqaoi+xQiid/SC8yVBV0lyJ999rAaD956ckZQpRMz0lyfqznHt4rRIMfxbSgETObcjHh0O9F0X0Mznw==[/tex]的值。

下列极限中正确的是 未知类型：{'options': ['[tex=6.357x2.357]ENxIatiC2yqgaopSQCG83teAhgVXXe97U7Gr/OOPsm+aXf+izFSZVCoe8iyLI9mTiL37s6BPBLVpBTVHCm7P9g==[/tex]', '[tex=6.071x2.429]ENxIatiC2yqgaopSQCG83ljqs35eQTWa1pcxjgUhzHjj9zvU7z25qTd/7eX6Hmfj[/tex]', '[tex=5.643x2.357]ENxIatiC2yqgaopSQCG83mnuGMqJb0xELb37sIo0Z2p1KzVrNOcZMmc8F083mGeJiE/eYhvldsE7Ez+QHuj4ZA==[/tex]', '[tex=5.786x2.429]ENxIatiC2yqgaopSQCG83jJsbDtzkF283NRe39FRzvA9ohGVpGwEpBgaMYH5JFrt[/tex]'], 'type': 102}

下列广义积分收敛的是 未知类型：{'options': ['[tex=5.429x2.429]ljf/4uRT34A9YLTBfZt+FzEi7K74XmvPqxg5gzC8olTLDXAmjtfTGUZx8Ec0Y326[/tex]', '[tex=5.643x2.429]ljf/4uRT34A9YLTBfZt+F402gFqLpNcxgt9mmy2tXrFnXyKPxGFn79vQalic5Yj3qskjnPzgxMJnWJncHNqz/w==[/tex]', '[tex=5.0x2.429]+ycGv6YhOuOZ65G62GRaC9MHEkJsF2qr9TNaGLypYLK70KfwdIOJ9FsvBorjGY0WJH8yMLdodaLdoNRsG86uEg==[/tex]', '[tex=6.071x2.429]ljf/4uRT34A9YLTBfZt+F402gFqLpNcxgt9mmy2tXrFnXyKPxGFn79vQalic5Yj3U362ydxTCrdF1aMlUAI+Kw==[/tex]'], 'type': 102}

下列变量组（）是一个闭回路。 A: {x，x，x，x，x，x} B: {x，x，x，x，x} C: {x，x，x，x，x，x} D: {x，x，x，x，x，x}

以下谓词蕴含式正确的是（）: (∀x) (A(x)→B(x))=>( ∀x)A(x)→(∀x)B(x)|(∀x) (A(x)↔B(x))=>( ∀x)A(x)↔(∀x)B(x)|(∀x)A(x)∨(∀x)B(x)=>( ∀x) (A(x)∨B(x))|(∃x) (A(x)∧B(x))=>(∃x)A(x)∧(∃x)B(x)

以下谓词蕴含式正确的是（）: (?x) (A(x)→B(x))=>( ?x)A(x)→(?x)B(x)|(?x) (A(x)?B(x))=>( ?x)A(x)?(?x)B(x)|(?x)A(x)∨(?x)B(x)=>( ?x) (A(x)∨B(x))|(?x) (A(x)∧B(x))=>(?x)A(x)∧(?x)B(x)