Consider the arithmetic sequence .

MATHEMATICS · Multi-part · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

Consider the arithmetic sequence 9,15,21,…,69,759, 15, 21, \dots, 69, 75 . (1) Find the common difference dd . (2) Find the number of terms in the sequence. (3) Find the sum of the terms in the sequence.

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