3 years ago

If az = 8 and an = -3an-1 then find the value of a4.

1 answer:

6 0

The question doesn't make sense.

az = 8, the z should be a #

an = -3an-1, is this supposed to be

$a_{n} =-3(a_{n-1} )$ ?

What's the z?

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3 years ago

If az = 8 and an = -3an-1 then find the value of a4.​