A Show that the sequence 12, , 3, , ..

MATHEMATICS · Multi-part · A Level · Mathematics · Sequences and series · Sequences and series

Problem

1. a Show that the sequence 12, −6-6 , 3, −32-\frac{3}{2} , ... is geometric. (a) Show that the sequence 12, −6-6 , 3, −32-\frac{3}{2} , ... is geometric. (b) Find unu_n , and hence write the 13th term as a rational number.

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