Integral defined

(f continues in [a,b], F is a derivative in [a,b] )       (a - is the lower bound of integration;)

(b - is the upper bound of integration;)

  (f(x) - is the integrand;)

Integral defined: contains an initial value that is called the lower limit, and a final value called the upper limit.

The fundamental theorem of calculus is the basis of two central operations of calculus, differentiation, and integration, which are inverse each other, if a continuous function is first integrated, and then differentiated (or vice versa) returns to the original function.

reference:(autor desconhecido; integral definida; disponível em <http://www.factosfera.com.br/2015/12/tudo-sobre-integrais-definidas-e.html> Acesso em: 18/03/2017)