SOLUTION: find the sum of 3+5+7+9+.....+103

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Question 1107320: find the sum of
3+5+7+9+.....+103
Found 3 solutions by Alan3354, josgarithmetic, ikleyn:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
find the sum of
3+5+7+9+.....+103
==============
Do that.
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Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
Look up the formula for sum of arithmetic sequence.

Your general sequence term is .

You should know what to look for and how to continue. Another example was already done for you.
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
On arithmetic progressions, see these introductory lessons in this site:
    - Arithmetic progressions
    - The proofs of the formulas for arithmetic progressions
    - Problems on arithmetic progressions
    - Word problems on arithmetic progressions


* * * * * After reading these lessons, you will be able easily solve problems like this one. * * * * *


Also,  you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Arithmetic progressions".


Save the link to this textbook together with its description

Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson

into your archive and use when it is needed.


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