### Home > CALC > Chapter 4 > Lesson 4.3.1 > Problem4-104

4-104.

Write a Riemann sum to approximate $\int _ { 0 } ^ { 2 } ( 6 ^ { x } ) d x$ using $n$ rectangles.

General form of left-endpoint Riemann sum:
$\displaystyle\sum_{i=0}^{n}\Delta xf(a+\Delta xi)$