已知[tex=2.429x1.429]79SmwT+8J9VTqKDgDEyFqyq/RV3jccSxj4F/gfqSdMY=[/tex]存在，[tex=4.286x1.357]N4e4dKYNGeiFgRaGjOb8Ew==[/tex]求[tex=1.786x2.5]+sfv9fbaljqgKDIK5JrU9Y5Em4Qd79k9c+OoGz0cVHA=[/tex].
举一反三
- 已知 [tex=2.429x1.429]79SmwT+8J9VTqKDgDEyFqyq/RV3jccSxj4F/gfqSdMY=[/tex]存在，求 [tex=1.786x2.5]+sfv9fbaljqgKDIK5JrU9Y5Em4Qd79k9c+OoGz0cVHA=[/tex] : [tex=8.429x1.357]1eoK0XMrwmJm1NgodsGCBzitnaGL2ofy0SGzhJHukDw=[/tex].
- 求函数的高阶导数：[tex=4.929x1.357]4ZKCFb90wAFaa6PFgGDWdg==[/tex]， 求[tex=2.429x1.429]79SmwT+8J9VTqKDgDEyFqyq/RV3jccSxj4F/gfqSdMY=[/tex]
- 设 [tex=2.429x1.429]79SmwT+8J9VTqKDgDEyFqyq/RV3jccSxj4F/gfqSdMY=[/tex] 存在，求下列函数的二阶导数[tex=4.571x1.357]mLCrkD8K3nj9GnRqHAP4YA==[/tex].
- 设 [tex=2.429x1.429]79SmwT+8J9VTqKDgDEyFqyq/RV3jccSxj4F/gfqSdMY=[/tex] 存在，求下列函数的二阶导数[tex=4.714x1.357]61Hx9nL+s45d5hD8q3NnZQ==[/tex].
- 设[tex=10.643x1.429]WSlAUy5l9EAUxxLjkXZaugWZmlSJ9UGVzMF0jVnqHz8qcoJkcpTzPPcdrLfnokhj[/tex]求[tex=6.357x2.786]ybep552s6B57scuqsHbergb29HCUEa1YakGGZOKorYrkp6eCa07ATusyM1N1QxpCp/BOr4LpNgeN6CWiF0V9zQ==[/tex] (设[tex=2.429x1.429]79SmwT+8J9VTqKDgDEyFqyq/RV3jccSxj4F/gfqSdMY=[/tex]连续).