Which formula correctly represents integration by parts?
∫udv=uv+∫vdu\int u dv = uv + \int v du∫udv=uv+∫vdu
∫udv=uv−∫vdu\int u dv = uv - \int v du∫udv=uv−∫vdu
∫udv=∫udu+∫vdv\int u dv = \int u du + \int v dv∫udv=∫udu+∫vdv
∫udv=u22v\int u dv = \frac{u^2}{2} v∫udv=2u2v