Question

Интеграл x^2/3x^3-4 dx

Answer 1

$int { frac{x^2}{3x^3-4} } , dx = frac{1}{9} int { frac{9x^2}{3x^3-4} } , dx = frac{1}{9} int { frac{d(3x^3-4)}{3x^3-4} } = frac{1}{9}ln|3x^3-4|+C$