分段函数y=x^2sin(1 x)(x不为零)y=0(x=0)在x=0处的导数
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![分段函数y=x^2sin(1 x)(x不为零)y=0(x=0)在x=0处的导数](/uploads/image/f/2337305-41-5.jpg?t=%E5%88%86%E6%AE%B5%E5%87%BD%E6%95%B0y%3Dx%5E2sin%281+x%29%28x%E4%B8%8D%E4%B8%BA%E9%9B%B6%29y%3D0%28x%3D0%29%E5%9C%A8x%3D0%E5%A4%84%E7%9A%84%E5%AF%BC%E6%95%B0)
Fatal error: Uncaught Error: Call to undefined method indexControl::sorandAction() in /mnt/www/zhanqunzuoye/library/core/core.php:84 Stack trace: #0 /mnt/www/zhanqunzuoye/library/core/control.php(45): core::gotoAction(Array) #1 /mnt/www/zhanqunzuoye/view/public/focus/show.php(15): control->action('sorand', 'index') #2 /mnt/www/zhanqunzuoye/library/core/control.php(24): require('/mnt/www/zhanqu...') #3 /mnt/www/zhanqunzuoye/control/public/focusControl.php(63): control->view() #4 /mnt/www/zhanqunzuoye/library/core/core.php(84): focusControl->showAction() #5 /mnt/www/zhanqunzuoye/public/index.php(28): core::gotoAction() #6 {main} thrown in /mnt/www/zhanqunzuoye/library/core/core.php on line 84