Hey math/stats people: A1 = X A2 = X + Y A3 = X + 2Y A4 = X + 3Y What kind of progression is this? Geometric?
Not sure this has a name, can generalize as An=X + (n-2) Y + (n-2)(n-1)/2 Z for n >= 3, if I didn't make a phone typing mistake.
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Not sure this has a name, can generalize as An=X + (n-2) Y + (n-2)(n-1)/2 Z for n >= 3, if I didn't make a phone typing mistake.