• 2021-04-14
    由初始条件找出积分曲线族中的曲线:
    (1), 则常数 C=_________;
    (2),,则常数 C₁=_____,C₂=______;
    (3),则函数表达式为 y=______./ananas/latex/p/2581732/ananas/latex/p/298175/ananas/latex/p/748010/ananas/latex/p/2581790
  • -1
    --- 1 --- 1 --- -cosx; sin(x-Π/2);-sin(x+Π/2);sin(x-π/2+2kπ);y=sin(x-π/2)

    内容

    • 0

      证明:若函数在内满足关系式 且 则/ananas/latex/p/209239/ananas/latex/p/534180/ananas/latex/p/534181/ananas/latex/p/534182/ananas/latex/p/534183

    • 1

      设,在内,则在内( )/ananas/latex/p/243901/ananas/latex/p/22409/ananas/latex/p/243903/ananas/latex/p/2154/ananas/latex/p/22992

    • 2

      7.已知是实对称阵A的3个特征值,且对应于的特征向量分别为 则矩阵A=,则B矩阵中的各个元素 , , ; , , ; , , ./ananas/latex/p/404201/ananas/latex/p/404202/ananas/latex/p/404203/ananas/latex/p/2210847/ananas/latex/p/2210854/ananas/latex/p/2210858/ananas/latex/p/2210861/ananas/latex/p/2210863/ananas/latex/p/2210865/ananas/latex/p/2210869/ananas/latex/p/2210872/ananas/latex/p/2210875/ananas/latex/p/2210877

    • 3

      设为 矩阵,且, 而,则= 。/ananas/latex/p/278/ananas/latex/p/326119/ananas/latex/p/441550/ananas/latex/p/441551/ananas/latex/p/441552

    • 4

      设函数由方程所确定,则()/ananas/latex/p/19859/ananas/latex/p/586496/ananas/latex/p/54620