That is correct. I think you can't simplify it further. But at entry level, if you're afraid of using chain rule for really lengthy functions, like this, you can substitute a suitable part of it. ie.
\frac{d}{dx}(x+(x+sin^2(x))^3)^4
let,
(x+sin^2(x)) = z
so...
Homework Statement
Three wires are made of same materials. Which wire will have the greatest elongation?
wire1: length: 50cm, diameter: 0.5mm
wire2: length: 100cm, diameter: 1mm
wire3: length: 300cm, diameter: 3mm
Homework Equations
The Attempt at a Solution
I know, the wire having greatest...