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3 years ago

If a1 = 6 and an -5an-1 + 4 then find the value of a4.

Mathematics

1 answer:

Daniel [21]3 years ago

3 0

9514 1404 393

Answer:

a4 = -666

Step-by-step explanation:

Use the recursive definition repeatedly.

a1 = 6

a2 = -5(6) +4 = -26

a3 = -5(-26) +4 = 134

a4 = -5(134) +4 = -666

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