求方程[tex=7.071x1.143]3wNwRH6t92x+wDm9BYQh2U6SRZhf4LUOYlatA28g7TU=[/tex]的根的近似值,精确到[tex=2.286x1.0]y60BKRopX+Kxcq18JVqXGw==[/tex].
举一反三
- 若:(1)函数 f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]有导数,而函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]没有导数;(2)函数f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]没有导数,而函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]有导数;(3)函数f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]没有导数及函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]没有导数,则函数[tex=5.643x1.357]GmtX7Vop79exGU/rpqXUYw==[/tex]在已知点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]的可微性怎样?
- 求函数[tex=3.286x1.429]kdT+eIE7CHPynuN6CaN40g==[/tex](抛物线)隐函数的导数[tex=1.071x1.429]BUw1BPFU3fsJlAl/vt9M9w==[/tex]当x=2与y=4及当x=2与y=0时,[tex=0.786x1.357]Hq6bf3CacUy07X+VImUMaA==[/tex]等于什么?
- 证明方程只有一个正根,并求出此正根的近似值,精确到[tex=2.0x1.214]2bvLbpFKSoA4qmhq1lkF/g==[/tex]
- 验证下列P(x,y)dx+Q(x,y)dy在全平面内是某个函数u(x,y)的全微分,并求此原函数u(x,y):[tex=8.929x1.214]+Bv9d3kvB+awCTj+A3DPy76f9H6PKhnxrvjERsPgQUKstjkYN3M6bUOILXi9vjL2[/tex]
- 设[tex=21.214x2.786]YHIKtHtTy6YeetIBukGWJ/+4CPibC+H1hzFh9VOwgL0S9GN2pUoehfDbgBGc5EnrdWI+XuY+Ymu+pDcK9HiZ9yXnaA2Bu4G6/6u1St7CLSMx59I82bjv1bCI2gEnrsJNql1frne8KsMSeBQW1cNKcuTaRB/F+4LAgzRxiKyGrOQiHFMyz8xDbT+BEy6KACG1U8FMEJreyBo/QSwsxRx8RDhp3OZ7UFFTQRocd2V6R+rERHrZxrt9oGOmh+8uIFvx9eVIIoeiy4uSVcNteqe6RBKTF8FWle9nj+GzCitqy6E=[/tex]且A+2B-C=O,求x,y,u,v的值.