pablo6090keh pablo6090keh
  • 04-05-2020
  • Mathematics
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What is the common differences or common ratio in the sequence

What is the common differences or common ratio in the sequence class=

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taylor26al taylor26al
  • 04-05-2020

Answer:

Use the formula for Arithmetic only if it is Arithmetic: a1+ (n-1)d

a represents the first number in the sequence, n represents the number, and d represent common difference

Use the formula for geometric sequence: an=a1r the exponent of r to n-1

an represents the nth term you are trying to find, a1 represents the first number, r represents the common ratio, and n-1 is just the nth term minus 1.

Once you figure out if the sequence is arithmetic or geometric you one of those formulas.

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