SEQUENCES Flashcards

0
Q

ARITHMETIC EXPLICIT FORMULA

A

An=a1+(n-1)d

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1
Q

ARITHMETIC RECURSIVE FORMULA

A

An=an-1+d

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2
Q

GEOMETRIC RECURSIVE FORMULA

A

An=an-1*r

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3
Q

GEOMETRIC EXPLICIT FORMULA

A

An=a1*r^n-1

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4
Q

SUM OF A FINITE ARITHMETIC SEQUENCE

A

n(a1+an/2)

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5
Q

SUM OF A FINITE GEOMETRIC SEQUENCE

A

a1(1-r^n)/1-r

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6
Q

SUM OF AN INFINITE GEOMETRIC SERIES IFF IT CONVERGES

A

S=a1/1-r

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