# Reimann sums

Tonyt88

## Homework Statement

Find the Riemann sum associated with f(x)=3 x^2 +3 ,\quad n=3 and the partition
(a) when x_k^{*} is the right end-point of [x_{k-1},x_k]. .

(b) when x_k^{*} is the mid-point of [x_{k-1},x_k]

## Homework Equations

I have no idea where to begin.