#829 · Algebra · Sequences & series

Determine the progression

In an arithmetic progression the third term is four times the first term and the sixth term equals $17$ . Find the first term and the common difference.

~3 minAnswer checked instantlyarithmetic progressionterm relations

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. IV. Arithmetical Progression, Examples IV.b, No. 3

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