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+<h1><div align=”center”><b>SubTopic: Critical Points</b></h1></div>
+<br/></br>
+
+<tab>file1_Critical_Point_of_a_function
+
+![file1_Critical_Point_of_a_function](https://github.com/vnb09/FSF-mathematics-python-code-archive/blob/fsf_tasks/FSF-2020/calculus-of-several-variables/approximations-and-optimizations/Critical-Points/file1_Critical_Point_of_a_function.gif?raw=true)
+<br/></br>
+<br/></br>
+
+<tab>file2_Traces_and_Tangent
+ 
+![file2_Traces_and_Tangent](https://github.com/vnb09/FSF-mathematics-python-code-archive/blob/fsf_tasks/FSF-2020/calculus-of-several-variables/approximations-and-optimizations/Critical-Points/file2_Traces_and_Tangent.gif?raw=true)
+<br/></br>
+<br/></br>
+
+<tab>file3_Tangent_plane_at_extrema_of_a_function
+ 
+![file3_Tangent_plane_at_extrema_of_a_function](https://github.com/vnb09/FSF-mathematics-python-code-archive/blob/fsf_tasks/FSF-2020/calculus-of-several-variables/approximations-and-optimizations/Critical-Points/file3_Tangent_plane_at_extrema_of_a_function.gif?raw=true)
+<br/></br>
+<br/></br>
+
+<tab>file4_Relative_Maximum_and_Relative_Minimum
+ 
+![file4_Relative_Maxima_and_Relative_Minima](https://github.com/vnb09/FSF-mathematics-python-code-archive/blob/fsf_tasks/FSF-2020/calculus-of-several-variables/approximations-and-optimizations/Critical-Points/file4_Relative_Maximum_and_Relative_Minimum.gif?raw=true)
+<br/></br>
+<br/></br>
+
+<tab>file5_Saddle_Point
+ 
+![file5_Saddle_Point](https://github.com/vnb09/FSF-mathematics-python-code-archive/blob/fsf_tasks/FSF-2020/calculus-of-several-variables/approximations-and-optimizations/Critical-Points/file5_Saddle_Point.gif?raw=true)
+<br/></br>
+<br/></br>
+
+<tab>file6_f(x,y)=(y-x)(1-2x-3y)
+ 
+![file6_f(x,y)=(y-x)(1-2x-3y)](https://github.com/vnb09/FSF-mathematics-python-code-archive/blob/fsf_tasks/FSF-2020/calculus-of-several-variables/approximations-and-optimizations/Critical-Points/file6_f(x%2Cy)%3D(y-x)(1-2x-3y).gif?raw=true)
+<br/></br>
+<br/></br>