Q64.Let 3, a, b, c be in A . P . and 3, a − 1, b + 1, c + 9 be in G . P . Then, the arithmetic mean of a, b and c is:
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Q64.Let 3, a, b, c be in A . P . and 3, a − 1, b + 1, c + 9 be in G . P . Then, the arithmetic mean of a, b and c is:
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.