Consider the sequence 87, 83, 79, 75, 71, ....

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

Problem

Consider the sequence 87, 83, 79, 75, 71, .... (1) Show that the sequence is arithmetic. (2) Find the 40th term. (3) Find the formula for its general term. (4) Which term of the sequence is -297?

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