Given ∫01f(2x)dx=K\int_0^1 f(2x) dx = K∫01f(2x)dx=K, express ∫02f(u)du\int_0^2 f(u) du∫02f(u)du in terms of KKK.
KKK
2K2K2K
K/2K/2K/2
4K4K4K