{\displaystyle \int _{a}^{b}\!f(x)\,dx=F(b)-F(a).} The principles of integration were formulated independently by Isaac Newton and Gottfried Leibniz in the late 17th century, who thought of the integral as an infinite sum of rectangles of infinitesimal width.
amendment - a statement that is added to or revises or improves a proposal or document (a bill or constitution etc.) statement - a message that is stated or declared; a communication (oral or written) setting forth particulars or facts etc; according to his statement he was in London on that day.
Answer Wiki. An article is something which was the part of the Constitution as originally written. An amendment means âalterationâ , an alteration in any article or part of the Constitution. An article and amendment is a method through which any Constitution of the world is written or any alteration will made respectively.