kJa0gabbys0parkstalp kJa0gabbys0parkstalp
  • 19-11-2016
  • Mathematics
contestada

Find
dy/du, du/dx, and dy/dx

y= u^2 , u=4x+7

Respuesta :

Аноним Аноним
  • 19-11-2016
y=u²                    (du/dx[u^n]=n(u^(n-1))u`)
dy/du=2u(u´)=2u

u=4x+7
du/dx=4

dy/dx=(dy/du)(du/dx)=2u(4)=2(4x+7)(4)=8(4x+7)

Answer:
dy/du=2u
du/dx=4
dy/dx=8(4x+7)
Answer Link
syed514
syed514 syed514
  • 20-11-2016
dy/dx =2u
du/dx==4
 
and
dy/dx= (dy/du)(du/dx)
         =2u(4)
         = 8u
  
Answer Link

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