Question

How do you do this problem?

Answer 1

Explanation:

∫₀² x f(x²) dx

If u = x², then du = 2x dx, and ½ du = x dx.

When x = 0, u = 0. When x = 2, u = 4.

∫₀⁴ ½ f(u) du

½ (16)

8