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Title: Sufficient condition for the extremum of a function of two variables
Description: Comprehensive notes and practicals (Problems and Solutions) covering: -Sufficient conditions for the extremum of a function of two variables

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Let the point M0(x0;y0) be
stationary for the function
z=f(x;y)
...


The essence of sufficient
conditions for the existence of
an extremum of a function of
two variables is reduced to the
following:

1
...


2
...


3
...

To solve the extremum
problem, additional analysis
of the function is required
...

3

3

It is required to establish the
presence and type of
extremum
...



Title: Sufficient condition for the extremum of a function of two variables
Description: Comprehensive notes and practicals (Problems and Solutions) covering: -Sufficient conditions for the extremum of a function of two variables