Finding the Value of a Series: Help with (h) and Power of r | Homework Question

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SUMMARY

The discussion focuses on finding the value of a series involving the variable (h) and the power of r. Participants suggest using the partial sums of an arithmetic sequence for the term involving 4r and the partial sums of a geometric sequence for the term involving 3.2r. The correct application of these mathematical concepts is essential for solving the series effectively. Understanding these summation techniques is crucial for accurate calculations.

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Homework Statement



Find the value of the following series: i need help with (h). Thanks...
DSC00555.jpg


Homework Equations





The Attempt at a Solution



I don't know which formula to use for this type of question (with power of r), can anyone enlighten me?
 
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For the part of the summation involving 4r, use the partial sums of an arithmetic sequence.

For the part of the summation involving 3.2r, use the partial sums of a geometric sequence.
 

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