Integral-de-ln-x-resolucao-e-exercicios

D Df ln x dx 1xdx Use ln x mon 6 dx ln x dx then let t ln x then dt frac 1 over x dx So t dt measure Use e ecuadree R and dx equals et dt e t dt et c e2x dx 12 et c x x dx 1 over x dx 1 over x dx dt dx equals 1 over x dt 1 over x dx or y t equals me e te dt e e t dt 2e t 20 le produn y equals e Dois y x2 y x 1 y 0 use limit on x A1 A2 A2 use formula A1 0 to 2 x 3 over 3 x dx 0 to 2 x3 over 3 x dx