Differentiate y= (sin(x)) / (x^4)
y' = ?
just use the quotient rule:
y' =
(cosx)(x^4) - (sinx)(4x^3)
------------------------------ = (x cosx - 4sinx)/x^5
x^8
y' = ?
y' =
(cosx)(x^4) - (sinx)(4x^3)
------------------------------ = (x cosx - 4sinx)/x^5
x^8