设方程 [tex=4.714x1.357]JKZ+ROFvw8Qo/AVLdzU9lg==[/tex]确定隐函数[tex=4.286x1.357]W53kgHVhR4iPLH8xcb4zFA==[/tex] 求 [tex=1.286x1.0]17Sp5sHpSxcK9tRqPycyLA==[/tex]
举一反三
- 设函数y=y(x)是由下列方程所确定的隐函数,试求[tex=2.357x1.429]12s7ghxLSEhU7pA3Cau42gBqwi6NCVj2MuxfJKi4WFw=[/tex]及[tex=2.571x1.429]2UEYBi+AEv6i/oTXz+sxRVCLPeTbUQzvwUogC0q7Kkuk/ImDzQLd9qcIz6zOdPJf[/tex].[tex=4.357x1.214]K5bCYe0dKR6VE9uyvaFnW6iFg1PNR3JDHO5DIEfAC/c=[/tex].
- 设[tex=3.929x1.286]OgRXGBnuYUkrpNulxRW68D36NV9X5hevhTpuCfbJIg4=[/tex][tex=4.286x1.286]6c3bUDd30AE1tK5nLJwmLIKf1nPVGhR/1jwnI6n4FHE=[/tex](*),[tex=7.5x1.286]z4eHeEsob01jkxCQ0ev3xszhArEYYlGiPXUGkHYqU/4=[/tex] . 设[tex=4.5x1.286]gsdNADfoADk0WGSc+nb2CQ==[/tex]是由方程(*)所确定的隐函数,求[tex=4.0x1.286]APnhC51kScIsyBlNmslGU/pepfVCW1qfyoWKp3xsxIo=[/tex] .
- 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?
- 设随机变量X与Y,且D(X)=25 . D(Y)=36 .[tex=6.929x1.357]YRHgHmN/yZW92ECOHesamh6DUEs33HnR+2dxr68Tcr4=[/tex]求[tex=4.286x1.357]wxsI0NJpCsUWd6vdcOiJiw==[/tex]
- 求由下列方程确定的隐函数[tex=3.143x1.357]SvkmdiaSCBne2lfTn9xiFw==[/tex] 的导数 [tex=4.929x1.357]ivWwfsIMRnutAa3l1l9/MzZBiZpdRHrGG2ZjRZvAP/8=[/tex]