∫baf(x) dx=\displaystyle\int_b^a f(x)\,dx =∫baf(x)dx=A−∫abf(x) dx-\int_a^b f(x)\,dx−∫abf(x)dxcheck_circleB∫abf(x) dx\int_a^b f(x)\,dx∫abf(x)dxC000Df(b)−f(a)f(b) - f(a)f(b)−f(a)ExplanationReversing the limits negates the integral.