Hamoody
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I was pretty confused while studying the chapter Sequences and Series. Basically, what is an arithmetic sequence and what is an arithmetic series? Are they both the same thing?
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username1560589
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(Original post by Hamoody96)
I was pretty confused while studying the chapter Sequences and Series. Basically, what is an arithmetic sequence and what is an arithmetic series? Are they both the same thing?
A series is the sum of a sequence.
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Hamoody
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Umm could you elaborate further?
(Original post by morgan8002)
A series is the sum of a sequence.
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username1560589
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(Original post by Hamoody96)
Umm could you elaborate further?
If a sequence is (a_1, a_2, ..., a_n), the corresponding series is a_1 + a_2 + ... + a_n.
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Hamoody
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Great!! That clears it. Thanks a bunch..
(Original post by morgan8002)
If a sequence is (a_1, a_2, ..., a_n), the corresponding series is a_1 + a_2 + ... + a_n.
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Honeystone
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An arithmetic sequence is a sequence (1,2,3,4,5...) that goes up in a constant. Basically the difference between each term is the same, such as +2, (1,3,5,7,9) is an arithmetic sequence because we go up in 2 every time. Do you understand the Sn stuff?
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Hamoody
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Sn as in the formula right?
(Original post by Honeystone)
An arithmetic sequence is a sequence (1,2,3,4,5...) that goes up in a constant. Basically the difference between each term is the same, such as +2, (1,3,5,7,9) is an arithmetic sequence because we go up in 2 every time. Do you understand the Sn stuff?
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Honeystone
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(Original post by Hamoody96)
Sn as in the formula right?
Yeah knowing the formula, but also being able to use it to work out the sum of a certain number of terms (n)
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Hamoody
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Yepp I'm good with that. Thanks a lot
(Original post by Honeystone)
Yeah knowing the formula, but also being able to use it to work out the sum of a certain number of terms (n)
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