Differentiate w.r.t. x the function
(3x2 – 9x + 5)9
Let y = (3x2 – 9x + 5)9
If u = v(w(x))
Then using chain rule
∴ Differentiating y w.r.t. x using chain rule
= 9(3x2 – 9x + 5)8×(6x – 9)
=9(3x2 – 9x + 5)8 × 3(2x – 3)
=27(3x2 – 9x + 5)8 (2x – 3)
∴