#838 · Algebra · Sequences & series

Sum of p+q terms

The sum of $p$ terms of an arithmetic progression is $q$ , and the sum of $q$ terms is $p$ . Find the sum of $p + q$ terms.

~5 minAnswer checked instantlyarithmetic progressionsum

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. IV. Arithmetical Progression, Examples IV.b, No. 12

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