• 2022-06-12 问题

    用等价范数定理证明[tex=6.071x1.357]n/X/EumEhSDtIV9KFp7wqCIuIYB2FNrk853PuetuKl0=[/tex]不是Banach空间,其中 [tex=13.214x2.786]rj8CfsF2BHuI2kmiYoVsGTPbcp2I4R3m5LtuOCuxvZsvlG77GsteJhlnpb3TXYgXu6l3KdyH/RGS8BwWl2gbYg==[/tex]

    用等价范数定理证明[tex=6.071x1.357]n/X/EumEhSDtIV9KFp7wqCIuIYB2FNrk853PuetuKl0=[/tex]不是Banach空间,其中 [tex=13.214x2.786]rj8CfsF2BHuI2kmiYoVsGTPbcp2I4R3m5LtuOCuxvZsvlG77GsteJhlnpb3TXYgXu6l3KdyH/RGS8BwWl2gbYg==[/tex]

  • 2022-05-27 问题

    证明对于任意的整数a, 若[tex=6.071x1.357]5YOe7r6oTucK/XddOhmUaLriBMiApfmXR9eq9sMeZyM=[/tex], 则有 [tex=6.071x1.357]5YOe7r6oTucK/XddOhmUaLriBMiApfmXR9eq9sMeZyM=[/tex].

    证明对于任意的整数a, 若[tex=6.071x1.357]5YOe7r6oTucK/XddOhmUaLriBMiApfmXR9eq9sMeZyM=[/tex], 则有 [tex=6.071x1.357]5YOe7r6oTucK/XddOhmUaLriBMiApfmXR9eq9sMeZyM=[/tex].

  • 2022-07-25 问题

    设向量[tex=0.643x0.786]ickGNE6wjIgwQyRxOmFROA==[/tex]的方向向量平行于向量[tex=6.071x1.357]SJEmrtmdOPUsej4CEaY1JoScA6qLRZqz5+L4XSqoV54=[/tex]和向量[tex=6.071x1.357]NE7b5xvzQiP/cb6Dp5w3as0vXRc48ynY1Q762W0Ahbw=[/tex]之间的角平分线且[tex=3.857x1.571]CCFg+gy3IK7+/X/+IFDiL/rzje9iKYnsCf7SRHzWZT4=[/tex],求向量[tex=0.643x0.786]ickGNE6wjIgwQyRxOmFROA==[/tex].

    设向量[tex=0.643x0.786]ickGNE6wjIgwQyRxOmFROA==[/tex]的方向向量平行于向量[tex=6.071x1.357]SJEmrtmdOPUsej4CEaY1JoScA6qLRZqz5+L4XSqoV54=[/tex]和向量[tex=6.071x1.357]NE7b5xvzQiP/cb6Dp5w3as0vXRc48ynY1Q762W0Ahbw=[/tex]之间的角平分线且[tex=3.857x1.571]CCFg+gy3IK7+/X/+IFDiL/rzje9iKYnsCf7SRHzWZT4=[/tex],求向量[tex=0.643x0.786]ickGNE6wjIgwQyRxOmFROA==[/tex].

  • 2022-05-30 问题

    求解微分方程[tex=6.071x1.357]rjzw0bBUODiY66l+Mq83xMsiRLIvlmxBVmkaQJtAxFteimcyLA4kVqRO4UQV5poY[/tex]

    求解微分方程[tex=6.071x1.357]rjzw0bBUODiY66l+Mq83xMsiRLIvlmxBVmkaQJtAxFteimcyLA4kVqRO4UQV5poY[/tex]

  • 2022-05-30 问题

    求解微分方程 [tex=6.071x1.357]rjzw0bBUODiY66l+Mq83xFuJYLzEFpAQU7+SVjHuVUCBnNxVuRFfyUb4II4D8Rws[/tex]

    求解微分方程 [tex=6.071x1.357]rjzw0bBUODiY66l+Mq83xFuJYLzEFpAQU7+SVjHuVUCBnNxVuRFfyUb4II4D8Rws[/tex]

  • 2022-05-28 问题

    就商品X、Y的偏好次序来说,与[tex=6.071x1.357]yHObpMr7U/+dKAVsB1oSkA==[/tex]相同的效用函数是 A: U(X,Y)=(X-5)(Y-5) B: U(X,Y)=(X/5)(Y/5) C: U(X,Y)=(X+5)(Y+5) D: 仅B和C正确 E: 上述各项都不正确

    就商品X、Y的偏好次序来说,与[tex=6.071x1.357]yHObpMr7U/+dKAVsB1oSkA==[/tex]相同的效用函数是 A: U(X,Y)=(X-5)(Y-5) B: U(X,Y)=(X/5)(Y/5) C: U(X,Y)=(X+5)(Y+5) D: 仅B和C正确 E: 上述各项都不正确

  • 2022-06-19 问题

    求微分方程的通解:[tex=6.071x1.357]eE9dXkpN2effVrNkAbXJmN08hCpwVJ7ZuV46kqlzKqQpnFh1p5UlHAYzNWVGqZZz[/tex] .

    求微分方程的通解:[tex=6.071x1.357]eE9dXkpN2effVrNkAbXJmN08hCpwVJ7ZuV46kqlzKqQpnFh1p5UlHAYzNWVGqZZz[/tex] .

  • 2022-06-19 问题

    wei分方程[tex=6.071x1.357]JwtCq+JQx3i5uHwTdUZyfSlhpY/b+VqlgCaJ6ptxt60=[/tex]是

    wei分方程[tex=6.071x1.357]JwtCq+JQx3i5uHwTdUZyfSlhpY/b+VqlgCaJ6ptxt60=[/tex]是

  • 2022-05-30 问题

    求出下列函数的导函数:[tex=6.071x1.357]lrfky1e5jWw85QVW5YxwPqf0LFolLC3aB9EOluF9kCQ=[/tex]

    求出下列函数的导函数:[tex=6.071x1.357]lrfky1e5jWw85QVW5YxwPqf0LFolLC3aB9EOluF9kCQ=[/tex]

  • 2022-06-18 问题

    求下列函数的全微分:[tex=6.071x1.357]YvJh/Kja4CqPvvnATUeNDe0e6X9SEUtWLateHAFbaNQ=[/tex]

    求下列函数的全微分:[tex=6.071x1.357]YvJh/Kja4CqPvvnATUeNDe0e6X9SEUtWLateHAFbaNQ=[/tex]

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