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How is the sum expressed in sigma notation for the series: 11 + 17 + 23 + 29 + 35 + 41? a) ∑ (6n + 5), n=1 to 6 b) ∑ (6n + 11), n=1 to 6 c) ∑ (5n + 6), n=1 to 6 d) ∑ (5n + 11), n=1 to 6
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How is the sum expressed in sigma notation for the series: 11 + 17 + 23 + 29 + 35 + 41? a) ∑ (6n + 5), n=1 to 6 b) ∑ (6n + 11), n=1 to 6 c) ∑ (5n + 6), n=1 to 6 d) ∑ (5n + 11), n=1 to 6

User Spauny
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2 Answers

1 vote
Answer: A


image

So the right answer is A.

Hope this helps!
User RationalRabbit
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5 votes

Answer:

HI,

Answer A



11+17+23+29+35+41\\=(5+6)+(5+2*6)+(5+3*6)+(5+4*6)+(5+5*6)+(5+6*6)\\\displaystyle\ =\sum_(i=1)^6\ (5+6*i)

Explanation:

User Gdbj
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