Question

Resuelve la integral xdx/8+25x2

Answer 1

∫(x/(8+25x²) dx = Usamos sustitución  u=8+25x² du= 50x dx du/50 = x dx  ∫(1/u 1/50 du) = 1/50 × ∫(1/u du) = 1/50 × ( ln |u| + c) = 1/50 × ln (8+25x²) = Rta: [ln (8+25x²)]/50