Vₙ method (product-to-ratio for telescoping) (Express term using auxiliary product Vₙ so consecutive terms collapse)

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Express term using auxiliary product Vₙ so consecutive terms collapse when summed or multiplied

What each symbol means

SymbolWhat it stands for
V_nAuxiliary sequence, often product of linear factors
t_nGeneral term

When to use this

Used when terms factor as ratios or splittable partial fractions.