设[tex=1.857x1.357]BGkv0wKMIn2R4tUsMDFEFA==[/tex]为三阶可微函数,求[tex=1.0x1.357]eE9dXkpN2effVrNkAbXJmGIp9WKb7xaCkkBPHXfHmGo=[/tex]及[tex=1.143x1.357]eE9dXkpN2effVrNkAbXJmBWTvFxIdNVkiZ0bLYJb+fU=[/tex],设:[tex=4.286x1.357]BJMhsnWWy+b17IpjqvqyPw==[/tex]
举一反三
- 以变量 x和y的逐次微分来表示函数[tex=3.143x1.357]Eg6rSgUNTUffRvxyTlFbYQ==[/tex]的导数[tex=1.0x1.357]eE9dXkpN2effVrNkAbXJmGIp9WKb7xaCkkBPHXfHmGo=[/tex]及[tex=1.143x1.357]eE9dXkpN2effVrNkAbXJmBWTvFxIdNVkiZ0bLYJb+fU=[/tex]”,但不假定工为自变量.
- 求[tex=1.0x1.357]eE9dXkpN2effVrNkAbXJmGIp9WKb7xaCkkBPHXfHmGo=[/tex]设[tex=4.286x1.357]teToWjHCAiqPZX/PwQUtNg==[/tex]
- 设随机变量X的概率密度为[tex=1.857x1.357]BGkv0wKMIn2R4tUsMDFEFA==[/tex],求[tex=2.714x1.214]jacSJ4coCvuTfFjPJkXs5g==[/tex]的概率密度.
- 求[tex=1.0x1.357]eE9dXkpN2effVrNkAbXJmGIp9WKb7xaCkkBPHXfHmGo=[/tex]设[tex=8.286x1.571]wrNlYn7v6ki6TqnvrqlHCbx85uFETipJsQf5uj2dsKXPbBS1Alp4qtkvBbKe46Jx[/tex]
- 求[tex=1.0x1.357]eE9dXkpN2effVrNkAbXJmGIp9WKb7xaCkkBPHXfHmGo=[/tex]设[tex=11.5x1.357]ft7fx4w3YIBrVD4dVGAy7oyiKQfffkf5hmV2VWaAago=[/tex]