For the following exercises, find the equation of the tangent plane to the specified surface at the given point. 413. Find the maximal directional derivative magnitude direction for the function f ( x , y ) = x 3 + 2 x y − cos ( π y ) at point (3. 0).
For the following exercises, find the equation of the tangent plane to the specified surface at the given point. 413. Find the maximal directional derivative magnitude direction for the function f ( x , y ) = x 3 + 2 x y − cos ( π y ) at point (3. 0).
Q2) A: Find the region where ODEs has no limit cycle:
x = y + x³
y=x+y+y³
6
Q3)A: Given H(x,y)=x2-x+ y²as a first integral of an ODEs, find this ODES
corresponding to H(x,y) and show the phase portrait by using Hartman
theorem and by drawing graph of H(x,y)-e. Discuss the stability of
critical points of the corresponding ODEs.
Q/ Write Example
is First integral but not
Conservation system.
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