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PIMSO 2023 - Mathematics - Secondary 4 / Grade 10 - National Round Question 13

PIMSO Maths · PIMSO 2023 - Mathematics - Secondary 4 / Grade 10 - National Round

Question 13

Suppose $x,y,z,w>0$ and $x+y+z+w=12$, what is the maximum value of $xyzw$?