Tuesday

September 23, 2014

September 23, 2014

Posted by **Gilbert** on Wednesday, November 28, 2012 at 11:56am.

- Calculus -
**Steve**, Wednesday, November 28, 2012 at 12:14pmnote that the sum of the first n odd numbers is n^2

1=1

1+3=4

1+3+5=9

...

There are 50 odds below 100

There are 100 odds below 200

sum of 1st 50 odds is 50^2

sum of 1st 100 odds is 100^2

sum of odds between 100 and 200 is thus 100^2-50^2 = 7500

**Answer this Question**

**Related Questions**

Adv calculus - 1. What is the maximum integer n such that 3^n is a factor of ...

SUMS? - what is the sum of the first towo odd numbers? what s the sum of the ...

Math for the middle school and elementary teacher - what number am I? I am a 3-...

Problem Solving Math Question - Find the sum of all the numbers in the following...

Math 130 - Sum the first two odd numbers, then the first three, the first four...

Math - Sum the first two odd numbers, then the first three, the first four, and ...

Help ASAP calculus - Which is the 7th term in the sequence of the squares of ...

Math - 1.(A)(i)Show that 2+4+6+8+..+2n=n(n+1). (ii)Find the sum of the first 200...

chemistry - Given this data in a study on how the rate of a reaction was ...

MATH - MY DAUGHTER IS IN 3RD GRADE, AND I NEEDED HELP ON A QUESTION, STEVE'S ...