6) Find the difference of (4x - 5) and (6x + 8)
2 answers:
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The sum of the series is 44.
Step-by-step explanation:
The given series is
To find the sum of the series, we need to substitute the values for k in the series.
Now, simplifying the square terms, we get,
Multiplying the terms,
Subtracting the values within the bracket term, we get,
Now, adding all the terms, we get the sum of the series,
Thus, the sum of the series is