Progressoes Aritimeticas Flashcards

(7 cards)

1
Q

Formula geral de Pa

A

an = a1 + r x n-1

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2
Q

Soma de PA

A

Sn = (a1 + an)n / 2

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3
Q

formula do termo geral de PG

A

an = a1 + r elevado a n-1

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4
Q

soma de PG

A

Sn = a1(q elevado a n -1) / q-1

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5
Q

soma de pg infinita

A

S= a1/ 1-r

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6
Q

propriedade de equidistantes de PÁ

A

o termo central é a media dos dois termos equidistantes

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7
Q

Prpiedade de PG

A

o termo mediano ao quadrado é igual ao produto dos equidistante

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