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Question: Why Maple can't put correct differentiate? Or did I do someting wrong?

Question:Why Maple can't put correct differentiate? Or did I do someting wrong?

falkner 50
multiplication syntax
May 16 2022
2

Hello guys,

I try at the moment to solve this terms:

The function is: f(x,y)=2x2-3xy-(y+2)3+5

1. diff(2*x^2 - 3*xy - (y + 2)^3 + 5, x) = 4x output but this is wrong. The correct output is 4x -3y

2.diff(2*x^2 - 3*xy - (y + 2)^3 + 5, y) = -3*(y + 2)^2 that also wrong. The correct output is -3(x+(y+2)2 )

THX a lot
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