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30-10-2021
Mathematics

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a1=1 and an=-5an-1+2 then find the value of a3

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sqdancefan sqdancefan

30-10-2021

9514 1404 393

Answer:

a3 = 17

Step-by-step 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

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