dontspamme737
dontspamme737 dontspamme737
  • 21-01-2021
  • Mathematics
contestada

if y=3x^3-2x and (dx)/(dy) = 3, find (dy)/(dt) when x=-2​

if y3x32x and dxdy 3 find dydt when x2 class=

Respuesta :

annriyabijo9
annriyabijo9 annriyabijo9
  • 21-01-2021

Answer:

dy/dx = 9x²+2

dy = (9x²+2) dx

dy/dt = (9x²+2) dx/dt

if x = 2 and dx/dt=5 then

dy/dt = (9*2²+2)*5 = 38*5 = 190

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