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What is the sum of the first 22 terms of the following series? 86 + 79+ 72 + 65 + 58 +...

What is the sum of the first 22 terms of the following series? 86 + 79+ 72 + 65 + 58 +...
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What is the sum of the first 22 terms of the following series?

86 + 79+ 72 + 65 + 58 +...

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User Micke
by
8.1k points

1 Answer

2 votes
S22 = (86*2+(79-86)*(22-1))*22/2 = 275

What is the sum of the first 22 terms of the following series? 86 + 79+ 72 + 65 + 58 +...-example-1
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User Fausto
by
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