∫abf(x)dx=F(b)−F(a)\int_a^b f(x) dx = F(b) - F(a)∫abf(x)dx=F(b)−F(a). Properties: ∫ab=−∫ba\int_a^b = -\int_b^a∫ab=−∫ba; ∫ab=∫ac+∫cb\int_a^b = \int_a^c + \int_c^b∫ab=∫ac+∫cb.