SOLUTION: I am having trouble with this question�Use the arithmetic series of numbering of 1,3,5,7,9,�.to find the following: What is the difference between any 2 terms? Is this the formula

Question 25880: I am having trouble with this question�Use the arithmetic series of numbering of 1,3,5,7,9,�.to find the following: What is the difference between any 2 terms?
Is this the formula for this question�.Sum= n(a1+an)/2) if this right I�m not sure where to go next. Please help�..

Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
I am having trouble with this question�Use the arithmetic series of numbering of 1,3,5,7,9,�.to find the following: What is the difference between any 2 terms?
TAKE ANY 2 CONSECUTIVE TERMS AND SUBTRACT THE FORMER FROM LATER.THAT IS CALLED THE COMMON DIFFERENCE WHICH IS CONSTANT IN AN ARITHMATIC PROGRESSION.HERE WE HAVE
3-1=2 AND ALSO
5-3=7-5=9-7=2 HENCE THIS IS AN AP WITH CD OF 2 AND FIRST TERM AS 1.
Is this the formula for this question�.Sum= n(a1+an)/2) if this right I�m not sure where to go next. Please help�..
THERE IS NO NEED FOR THIS FORMULA

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