Which expression is equivalent to ∫024xdx\int_0^2 4x dx∫024xdx?
[2x2]02[2x^2]_0^2[2x2]02
[4x2]02[4x^2]_0^2[4x2]02
[x2]02[x^2]_0^2[x2]02
[8x2]02[8x^2]_0^2[8x2]02