Ответ:
dy/dx=2
Объяснение:
f(x,y)=2x-y-9=f(x,y)=2x-y-9,fx=?;f(x,y)=2x-y-9,fy=?=fx=2;fy=-1=dy/dx=-2/-1=dy/dx=-(-2)
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Ответ:
dy/dx=2
Объяснение:
f(x,y)=2x-y-9=f(x,y)=2x-y-9,fx=?;f(x,y)=2x-y-9,fy=?=fx=2;fy=-1=dy/dx=-2/-1=dy/dx=-(-2)