Find the sums of the following series. a. 3 + 7 + 11 + 14 +
Question:
Find the sums of the following series.
a. 3 + 7 + 11 + 14 + … (20 terms)
b. 2 + 6 + 10 + 14 + … (15 terms)
c. 30 + 27 + 24 + 21 + … (40 terms)
d. 5 + 1 + −3 + −7 + … (14 terms)
e. 5 + 7 + 9 + … + 75
f. 4 + 7 + 10 + … + 91
g. 34 + 29 + 24 + 19 + … + −111
h. (x + 1) + (2x + 1) + (3x + 1) + … + (21x + 1)
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Step by Step Answer:
Lets find the sums of each series a 3 7 11 14 20 terms This is an arithmetic sequence with a common difference of 4 The nth term can be calculated as nth term first term n1 common difference First ter...View the full answer
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Related Book For 
Pearson Edexcel A Level Mathematics Pure Mathematics Year 2
ISBN: 9781292183404
1st Edition
Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran
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