Partial fractions: repeated linear factor (Repeated pole (x-a)^k needs k terms A1/(x-a)++Ak/(x-a)^k.)

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Repeated pole (x-a)^k needs k terms A1/(x-a)+…+Ak/(x-a)^k.

What each symbol means

SymbolWhat it stands for
A_jConstants

When to use this

Integrate A/(x-a)^j: j=1 → log; j>1 → power rule.