liandez
liandez
30-07-2016
Mathematics
contestada
hello
could you help me on this
calculus
Respuesta :
caylus
caylus
30-07-2016
Hello,
d f(x²-1)/dx=f'(x²-1)*2x
if x=2 then f'(2²-1)*2*2 =f'(3)*4=-4*4=-16
Answer A
If you need explains:
let's y=x²-1
df(x²-1)/dx=df(y)/dy*(dy/dx)=f'(x²-1)*2x
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