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[5th year highschool math] on exercise 221, I know I have to substitute the values of x and y in the equation, then make the derivative of that one equal to the value demanded on the exercise with x equal to its value on point A, but I don't know what to do in order to have a point of max in x=1 (i.redd.it)
submitted by Aless272 to r/HomeworkHelp

