SOLUTION: This is my question --> Evaluate the arithmetic series below if it has 14 terms. 37+45+53++61

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Question 699660: This is my question --> Evaluate the arithmetic series below if it has 14 terms. 37+45+53++61

Answer by mouk(232)   (Show Source): You can put this solution on YOUR website!
This is an AP with first term=37, common difference=8
Solved by pluggable solver: Arithmetic Progression (AP) Solver
The first few terms of this AP are:
a=37, a+d=45, a+2d=53, a+3d=61, ...
or, just: 37, 45, 53, 61, ...
The Sum of the first n terms is given by:

So substituting a=37, d=8 and n=14 gives:



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