F(x, y)=x³+x²y+xy²+y³
tính d²f
tính d²f (1; -1)...
Mathematics, 17.06.2021 16:30 jaceraulerson7249
F(x, y)=x³+x²y+xy²+y³
tính d²f
tính d²f (1; -1)
Answers: 1
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