Question

помогите алгебра 11 класс

Answer 1

$intlimits^{2}_{-1} {2x^{2}} , dx = intlimits {2x^{2}} , dx = 2intlimits {x^{2}} , dx = 2timesfrac{x^{3}}{3} = frac{2x^{3}}{3} = frac{2x^{3}}{3} |^{2}_{-1} = frac{2times2^{3}}{3}-frac{2times(-1)^{3}}{3} = 6$