English: $f(a)(b - a) + \frac{1}{2}(b - a)\left( f(b) - f(a) \right)$ ఉంది.
Telugu: $f(a)(b - a) + \frac{1}{2}(b - a)\లెఫ్ట్(f(b) - f(a) \కుడి)$ ఉంది.