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.document-html-preview--word div.Section0{page:Section0;}</style><div class="document-html-preview__page document-html-preview__page--word" data-page="1">T&#204;M C&#7920;C TR&#7882; H&#192;M S&#7888; CHO B&#7902;I C&#212;NG TH&#7912;C<o:p></o:p>I. Ph&#432;&#417;ng ph&#225;p<o:p></o:p>B&#432;&#7899;c 1. T&#236;m t&#7853;p x&#225;c &#273;&#7883;nh c&#7911;a h&#224;m s&#7889;.<o:p></o:p>B&#432;&#7899;c 2. T&#237;nh <img width="43" height="27" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/bf085dfefd79065fa9e6.png" >. T&#236;m c&#225;c &#273;i&#7875;m t&#7841;i &#273;&#243; <img width="43" height="27" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/bf085dfefd79065fa9e6.png" >&nbsp;b&#7857;ng 0 ho&#7863;c <img width="43" height="27" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/bf085dfefd79065fa9e6.png" >&nbsp;kh&#244;ng x&#225;c &#273;&#7883;nh.<o:p></o:p>B&#432;&#7899;c 3. L&#7853;p b&#7843;ng bi&#7871;n thi&#234;n.<o:p></o:p>B&#432;&#7899;c 4. T&#7915; b&#7843;ng bi&#7871;n thi&#234;n suy ra c&#225;c &#273;i&#7875;m c&#7921;c tr&#7883;.<o:p></o:p>II. C&#225;c v&#237; d&#7909; minh h&#7885;a<o:p></o:p>V&#237; d&#7909; 1.&nbsp;T&#236;m c&#7921;c tr&#7883; c&#7911;a h&#224;m s&#7889; <img width="97" height="24" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/5f273169d5c36c5a2021.png" >.<o:p></o:p>V&#237; d&#7909; 2.&nbsp;T&#236;m c&#7921;c tr&#7883; c&#7911;a h&#224;m s&#7889; <img width="112" height="24" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/b9954cda5d941672d429.png" >.<o:p></o:p>V&#237; d&#7909; 3.&nbsp;T&#236;m c&#7921;c tr&#7883; c&#7911;a h&#224;m s&#7889; <img width="131" height="24" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/cc098597dadb4db2466e.png" >.<o:p></o:p><o:p>&nbsp;</o:p>V&#237; d&#7909; 4.&nbsp;T&#236;m c&#7921;c tr&#7883; c&#7911;a h&#224;m s&#7889; <img width="148" height="24" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/f914350381a71c904e95.png" >.<o:p></o:p>V&#237; d&#7909; 5.&nbsp;T&#236;m c&#7921;c tr&#7883; c&#7911;a h&#224;m s&#7889; <img width="103" height="24" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/3f3aac813654b4539c08.png" >.<o:p></o:p>V&#237; d&#7909; 6.&nbsp;T&#236;m c&#7921;c tr&#7883; c&#7911;a h&#224;m s&#7889; <img width="115" height="24" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/59a7f9afce24a21307bd.png" >.<o:p></o:p>V&#237; d&#7909; 7.&nbsp;T&#236;m c&#7921;c tr&#7883; c&#7911;a h&#224;m s&#7889; <img width="69" height="41" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/96b87e9ba2c762dbc1d8.png" >.<o:p></o:p>Ch&#250; &#253;: H&#224;m s&#7889; <img width="77" height="45" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/21e149595da64ff83d89.png" >&nbsp;kh&#244;ng c&#243; c&#7921;c tr&#7883;.<o:p></o:p>V&#237; d&#7909; 8.&nbsp;T&#236;m c&#7921;c tr&#7883; c&#7911;a h&#224;m s&#7889; <img width="100" height="44" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/99f8dfbfd199f66a5857.png" >.<o:p></o:p>V&#237; d&#7909; 9.&nbsp;T&#236;m c&#7921;c tr&#7883; c&#7911;a h&#224;m s&#7889; <img width="122" height="44" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/b1825107cf343d05ff8a.png" >.<o:p></o:p>V&#237; d&#7909; 10.&nbsp;T&#236;m c&#7921;c tr&#7883; c&#7911;a h&#224;m s&#7889; <img width="128" height="24" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/735983654d657c/html-preview-assets/c29bdc41090170a5aa1a.png" >.<o:p></o:p><o:p>&nbsp;</o:p><o:p>&nbsp;</o:p><o:p>&nbsp;</o:p></div></section>

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Phương Pháp Tìm Cực Trị Của Hàm Số Cho Bởi Công Thức

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