Where 'a n' is the nth term in the sequence, 'a' is the first term, 'r' is the common ratio between two numbers, and 'n' is the nth term to be obtained. Where 'a n' is the nth term in the sequence, 'a' is the first term, 'd' is the common difference between two numbers, and 'n' is the nth term to be obtained.Ī geometric sequence is a sequence where every term bears a constant ratio to its preceding term. The general form of a geometric sequence can be written as: In the explicit formula 'd(n-1)' means 'the common difference times (n-1), where n is the integer ID of term's location in the sequence.' Thankfully, you can convert an iterative formula to an explicit formula for arithmetic sequences.
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