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Math Help - Basic equation assistance...

  1. #1
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    Basic equation assistance...

    Good morning!

    I have never been good with math. So, of course I opt to seek a degree in computer programming!

    So, I have a few equations that I am trying to figure out:

    Compute the following expressions:
    e1 = 1 + 2 + 3 + 4 + 5 + ... + 123
    e2 = 1 + 3 + 5 + 7 + 9 + ... + 123
    e3 = 1*2*3*4*5* ... *33
    e4 = 1*1 + 2*2 + 3*3 + 4*4 + ... 100*100
    e5 = 2 to the 18th power

    How would you do these in Algebra? Thanks in advance.

    DamienCurr
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  2. #2
    No one in Particular VonNemo19's Avatar
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    Detroit, MI
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    Quote Originally Posted by DamienCurr View Post
    Good morning!

    I have never been good with math. So, of course I opt to seek a degree in computer programming!

    So, I have a few equations that I am trying to figure out:

    Compute the following expressions:
    e1 = 1 + 2 + 3 + 4 + 5 + ... + 123
    e2 = 1 + 3 + 5 + 7 + 9 + ... + 123
    e3 = 1*2*3*4*5* ... *33
    e4 = 1*1 + 2*2 + 3*3 + 4*4 + ... 100*100
    e5 = 2 to the 18th power

    How would you do these in Algebra? Thanks in advance.

    DamienCurr
    By summation

    e_1=\sum_{i=1}^{123}i

    e_2=\sum_{i=1}[2(i-1)+1]

    e_3=33!

    e_4=\sum_{i=1}^{100}i^2

    etc..
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