PA PG Flashcards by luha d | Brainscape

Q

formulas pa

A

an = a1 + (n – 1) r

Sn = n(a1 + an)/2

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Q

formulas pg

A

Sn = a1(q^n - 1) finita
—————
q - 1

an=a1. q^n−1

Sn= a1
————— infinita
1-q

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