limit definition of integrals

[procrasterbate]

Hey i have to use the limit definition of definite integrals to evaluate f(x)=x^2 - x -2 on [-2,4]. I know the answer is 6 I'm just not sure how to evaluate the limit definition ( have been using FTOC instead).

 

[stapel]

Hey i have to use the limit definition of definite integrals to evaluate f(x)=x^2 - x -2 on [-2,4]. I know the answer is 6 I'm just not sure how to evaluate the limit definition ( have been using FTOC instead).

What is the "definition" you have been given?