Question

A1=1 and an=-5an-1+2 then find the value of a3

Answer 1

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Answer:

a3 = 17

Explanation:

Substitute as needed and do the arithmetic.

a1 = 1

a2 = -5·a1 +2 = -5(1) +2 = -3

a3 = -5·a2 +2 = -5(-3) +2 = 17