Arithmetic Sequences and Arithmetic Series

a (sub n)=a (sub 1) + (n - 1)d. where n is the arithmetic term; where a (sub 1) is the first term; where d is the difference; in this sequence: 3,7,11,15, the difference is obviously 4. a (sub n)=
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math1314-arithmetic-sequences.pdf

The whole thing is pronounced as the sum, from n equals one to ten, of a-sub-n. The summation symbol above means the following: a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10 The

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