CALCULUS Understanding Its Concepts and Methods

Left sum, right sum, middle sum

For any positive integer *n*, the pointsare equally spaced in the interval [*a*,*b*].

If *f*(*x*)
is defined on the interval [*a*,*b*],
then:

A left sum is

A right sum is

A middle sum is

Middle
sum |

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Copyright © 2006 Darel Hardy, Fred Richman, Carol Walker, Robert Wisner. All rights reserved. Except upon the express prior permission in writing, from the authors, no part of this work may be reproduced, transcribed, stored electronically, or transmitted in any form by any method.