利用定积分的性质估计下列定积分:[tex=4.643x2.786]Pl/c5yC7qtagsjcGCe732lDiq78/lxNESo8lu+fUgdQ=[/tex]
利用定积分的性质估计下列定积分:[tex=4.643x2.786]Pl/c5yC7qtagsjcGCe732lDiq78/lxNESo8lu+fUgdQ=[/tex]
利用[tex=1.929x1.0]au2olChJIABR52MosDCmMw==[/tex]的 Gauss - Legendre 求积公式计算下列积分 : [tex=4.643x2.786]Pl/c5yC7qtagsjcGCe732lDiq78/lxNESo8lu+fUgdQ=[/tex]
利用[tex=1.929x1.0]au2olChJIABR52MosDCmMw==[/tex]的 Gauss - Legendre 求积公式计算下列积分 : [tex=4.643x2.786]Pl/c5yC7qtagsjcGCe732lDiq78/lxNESo8lu+fUgdQ=[/tex]
指出下列函数全部奇点的类型,若是极点,指出是几级极点:[tex=4.643x2.786]JTOhZ0lDqxLqJv7lhQ0IEaIMi8oWq4jAZVdBz9HMptXKk/NUm5/kfapuzrWlS/q8[/tex].
指出下列函数全部奇点的类型,若是极点,指出是几级极点:[tex=4.643x2.786]JTOhZ0lDqxLqJv7lhQ0IEaIMi8oWq4jAZVdBz9HMptXKk/NUm5/kfapuzrWlS/q8[/tex].
对于级数 [tex=2.643x2.0]lXO+SCXMhouW8qe0OnvHow==[/tex] 有 [tex=4.643x2.786]RgLJm+eGwWwAOZY5oxDoR/IjhQoCZfQ/il+sj0Rzc6Z3RwI33Tbs/huBxHXcZubjPDYrgwVSFujEWXr8oaMOEA==[/tex], 能否断定级数 [tex=2.643x2.0]lXO+SCXMhouW8qe0OnvHow==[/tex] 不绝对收敛,但可能条件收敛?
对于级数 [tex=2.643x2.0]lXO+SCXMhouW8qe0OnvHow==[/tex] 有 [tex=4.643x2.786]RgLJm+eGwWwAOZY5oxDoR/IjhQoCZfQ/il+sj0Rzc6Z3RwI33Tbs/huBxHXcZubjPDYrgwVSFujEWXr8oaMOEA==[/tex], 能否断定级数 [tex=2.643x2.0]lXO+SCXMhouW8qe0OnvHow==[/tex] 不绝对收敛,但可能条件收敛?
已知[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex]是积分[tex=4.643x2.786]RKTjXCs52FARbP8tCfU1dfyxNA5UZ5i8Wx4bf1jYb3k=[/tex]的近似值,并且有四位有效数字,试求[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex]的绝对误差限
已知[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex]是积分[tex=4.643x2.786]RKTjXCs52FARbP8tCfU1dfyxNA5UZ5i8Wx4bf1jYb3k=[/tex]的近似值,并且有四位有效数字,试求[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex]的绝对误差限
设曲面[tex=0.786x1.0]M/b3Tm4TfVvVYa87wz/CuQ==[/tex]有连续的单位法向量场[tex=1.0x1.0]4bldDqQHSNAmYHWBtCYuvw==[/tex],[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]是一个常向量.证明:[tex=7.0x2.643]QYjJxgCzPNtCE1TriyBgkjFF7ye8rlRNqlOtbv29yW25t5QvXh7K8VfOAWy6DF9Gn8WK3TxvOssGF+esdht8xIUkEgFR08IahLwAeKxdJL4=[/tex][tex=4.643x2.786]hr7h2rEMM5k2aZEqdUvUUzsw7fS5DOBIQDzJE6XBpFsfN1+Cb9BgIkQU1fIKvmvMJGoMJv4KstflPVtcW1Q6Lvay9OPw4Mwle41let6mqkA=[/tex].
设曲面[tex=0.786x1.0]M/b3Tm4TfVvVYa87wz/CuQ==[/tex]有连续的单位法向量场[tex=1.0x1.0]4bldDqQHSNAmYHWBtCYuvw==[/tex],[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]是一个常向量.证明:[tex=7.0x2.643]QYjJxgCzPNtCE1TriyBgkjFF7ye8rlRNqlOtbv29yW25t5QvXh7K8VfOAWy6DF9Gn8WK3TxvOssGF+esdht8xIUkEgFR08IahLwAeKxdJL4=[/tex][tex=4.643x2.786]hr7h2rEMM5k2aZEqdUvUUzsw7fS5DOBIQDzJE6XBpFsfN1+Cb9BgIkQU1fIKvmvMJGoMJv4KstflPVtcW1Q6Lvay9OPw4Mwle41let6mqkA=[/tex].
如果[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]与[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]相似,[tex=0.714x1.0]J/aA9EEo0KmJFnWWfX7LmQ==[/tex]与[tex=0.857x1.0]m2DKAQtGuc1DyN3zyNlILg==[/tex]相似,证明:[tex=4.571x2.786]dEdrC9SQsN/3Vx39SaFo4KF1WyKLO/mJ0aYXcSqCqIW6/3WlgwxtaTp2ljjBxZTnnmt80jT4HNsVcGBiJ86+fQ==[/tex]与[tex=4.643x2.786]dEdrC9SQsN/3Vx39SaFo4JZ2xrpVClgEXQGDqo43mPAE2jwXQlOMnLfpXaqyoLykDaHVUwx4Gu5tbq6ulORXOw==[/tex]相似.
如果[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]与[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]相似,[tex=0.714x1.0]J/aA9EEo0KmJFnWWfX7LmQ==[/tex]与[tex=0.857x1.0]m2DKAQtGuc1DyN3zyNlILg==[/tex]相似,证明:[tex=4.571x2.786]dEdrC9SQsN/3Vx39SaFo4KF1WyKLO/mJ0aYXcSqCqIW6/3WlgwxtaTp2ljjBxZTnnmt80jT4HNsVcGBiJ86+fQ==[/tex]与[tex=4.643x2.786]dEdrC9SQsN/3Vx39SaFo4JZ2xrpVClgEXQGDqo43mPAE2jwXQlOMnLfpXaqyoLykDaHVUwx4Gu5tbq6ulORXOw==[/tex]相似.
设[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]是数域[tex=13.714x1.357]7U057BYvehf1pYY/BkuDL7ZDOwvHY57hcSx+pip/OZBoZuRby7ZsRJ5Xdk0mCIZVhKPf11gqH0k2TM9O6dbIa4sNa9Ueda0coq+IDkoXuWE=[/tex],[tex=4.0x1.214]/XBovSn7AvnJ2pYJ76V1qKQD9ha4mrRfoZRtnnmY1Ts=[/tex],并且秩[tex=8.0x1.214]n3I6I6tLSRsyp3SSeARZqD1pwIChdVNSnuKOe9wGAec=[/tex],证明秩[tex=4.643x2.786]075gCzZzsMRb6HYXYk9X99H0yM0sbTWlaqoFfzUnW/OtZG4/M4r20gCtj3px0rmwfc8gq9A3bpfud7tFYG+R4g==[/tex]的充要条件是[tex=1.857x1.0]vXrgkuWNZRH6TLvjVRu6jg==[/tex]
设[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]是数域[tex=13.714x1.357]7U057BYvehf1pYY/BkuDL7ZDOwvHY57hcSx+pip/OZBoZuRby7ZsRJ5Xdk0mCIZVhKPf11gqH0k2TM9O6dbIa4sNa9Ueda0coq+IDkoXuWE=[/tex],[tex=4.0x1.214]/XBovSn7AvnJ2pYJ76V1qKQD9ha4mrRfoZRtnnmY1Ts=[/tex],并且秩[tex=8.0x1.214]n3I6I6tLSRsyp3SSeARZqD1pwIChdVNSnuKOe9wGAec=[/tex],证明秩[tex=4.643x2.786]075gCzZzsMRb6HYXYk9X99H0yM0sbTWlaqoFfzUnW/OtZG4/M4r20gCtj3px0rmwfc8gq9A3bpfud7tFYG+R4g==[/tex]的充要条件是[tex=1.857x1.0]vXrgkuWNZRH6TLvjVRu6jg==[/tex]
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}
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)