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Super Duper Urgent! Find the sum of the summation of 2 i minus 12, from i equals 7 to 16.
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Super Duper Urgent!
Find the sum of the summation of 2 i minus 12, from i equals 7 to 16.

User Meirav
by
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2 Answers

5 votes

The correct answer is 110

User Foad
by
7.6k points
3 votes
Sigma(i = 7 to 16, 2i-12) = 2*sigma(i = 7 to 16, i) -120
= 2*115-120 = 110
User Lal Krishnan S L
by
7.3k points
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