If 6 student make up 25% of the class, how many students are there total in the class
2 answers:
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Via Lagrange multipliers:
At these points, we get local minima of
.
- - -
Another way to do this is to make
a function independent of 
, which is made possible by the constraint.
and so on.
At these points, we get local minima of
- - -
Another way to do this is to make
and so on.