#818 · Algebra · Sequences & series

Common difference from sum

In an arithmetic progression the first term is $2$ , the last term $29$ , and the sum $155$ ; find the common difference.

~2 minAnswer checked instantlycommon differencesum

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. IV. Arithmetical Progression, Examples IV.a, No. 18

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