anonymous
  • anonymous
Find the sum of the infinite geometric series, if it exists. 4 - 1 + - + . . . A. - 1 B. 3 C.16/5 D. does not exist
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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perl
  • perl
It looks like the ratio is -1/4
anonymous
  • anonymous
what do you mean, the question?
perl
  • perl
geometric series: a + a*r + a*r^2 + ... here we have 4 + 4*(-1/4) + 4*(-1/4)^2 + ... the sum of a geometric series : a + a*r + a*r^2 + ... = a / ( 1 - r )

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anonymous
  • anonymous
ok so is the problem wrong or are we working out the problem
anonymous
  • anonymous
are you still here?
perl
  • perl
the problem is fine :)
perl
  • perl
can you finish it based on what i gave you
anonymous
  • anonymous
No im sorry i dont understand this at all can you elaborate just a little bit more
anonymous
  • anonymous
Find the sum of the infinite geometric series, if it exists. 4 - 1 +1/4 -1/16 + ... . A. - 1 B. 3 C. 16/5 D.does not exist
anonymous
  • anonymous
im so sorry you were right
anonymous
  • anonymous
but its not a -1/4

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