Mathematics
Senior High

aとa/3の間の増減の求め方を教えて下さい!

X a 4-3 y' + 0 0 + 極大 極小 y オ 4 0 3 ・a 27

Answers

aとa/3の間の好きな数(2a/3とか?)を入れてみてそれが正か負かではんだんできます。

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