2 years ago

If a1 = 7 and an= An-1 + 4 then find the value of a4.

Mathematics

1 answer:

djverab [1.8K]2 years ago

3 0

Step-by-step explanation:

as an = a(n-1)+4

then a4. = 7(4-1)+4

= 7(3)+4

= 21 +4

= 25

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