Question

calcule integral de 2X+1 elevado a 2 vezes dx

Answer 1

$\int\ {(2x+1)^2} \, dx = \int\ {(4x^2 + 4x + 1)} \, dx = \\ \\ \int\ {4x^2} \, dx +\int\ {4x} \, dx + \int\ {1} \, dx = \\ \\ \frac{4x^3}{3} + 2x^2 + x + C$