Monday

July 28, 2014

July 28, 2014

Posted by **Jenna** on Tuesday, May 5, 2009 at 9:54pm.

I only need help with the first part. I don't really understand how to find the formula for the lower sum.

i wrote down in my notes that a=w*h

w= (upper limit-lower limit)/n

h= (i*w)^2

and a= h[(n(n+1)(2n+1))/6]

but I don't really understand what "i" stands for, so I don't know how to use the formula.

- Calculus -
**Daniel**, Wednesday, April 21, 2010 at 1:52amYA i can't fingure out how to use it either im thinking that it could be the xi = a+x(change of x)

**Related Questions**

Calculus - Using f(x), determine a formula for the Riemann Sum S_n obtained by ...

Calculus - These are the two problems from my homework I don't get.. can you ...

business calculus - Approximate the area under each curve over the specified ...

Calc - (1/1+(4/n))(4/n)+(1/1+(8/n))(4/n)+(1/1+(12/n))(4/n)+....+(1/1+(4n/n))(4/n...

calc help - consider the function f(x)= x^2/4 -6 Rn is the Riemann sum where the...

calculus - Recall that a function G(x) has the limit L as x tends to infinity, ...

calculus - The function f is continuous on the closed interval [0,6] and has ...

calculus - find the sum of the series: 1. the sum from n=1 to infinity of ((-1)^...

Calculus - I am maybe overthinking this, but what is the lim as n-> infinity ...

math (calculus) PLZZZ help! - Consider the function below. (Round the answers to...