anonymous
  • anonymous
How can you represent the terms of a sequence?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Somebody ? Please Help me ..
ganeshie8
  • ganeshie8
you can represent them using the \(general\ term\) maybe for ex, the general term / nth term of arithmetic sequence is \(a_n = a + (n-1)d\)
anonymous
  • anonymous
Thank you soooo Much May you assist me With Another Question Please ? .... @ganeshie8

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ganeshie8
  • ganeshie8
ha sure :)
anonymous
  • anonymous
How can you define an arithmetic or geometric sequence?
anonymous
  • anonymous
don't understand your question
ganeshie8
  • ganeshie8
arithmetic sequence progresses with a \(common\ difference\), ex :- 1, 2, 3, 4, 5.... is an arithmetic sequence cuz, difference between any two adjacent terms is same (equal to 1 here)
anonymous
  • anonymous
Oh okay and like How can you model the sum of an arithmetic or geometric series? @ganeshie8
ganeshie8
  • ganeshie8
we're not done wid geometric sequence yet :) geometric sequence progresses with a \(common\ ratio\), ex :- 1, 2, 4, 8, 16.... is an geometrc sequence cuz, ratio between any two adjacent terms is same (equal to 2 here)
anonymous
  • anonymous
Ohhhhhhh Okay im Sorry and then ? was that it about geometric sequence?
ganeshie8
  • ganeshie8
yup !
anonymous
  • anonymous
and what about How can you model the sum of an arithmetic or geometric series?
anonymous
  • anonymous
@ganeshie8
anonymous
  • anonymous
;)
ganeshie8
  • ganeshie8
Sum of arithmetic sequence can be modelled using the formula :- \(\large S_n = \frac{n}{2}[2a+(n-1)d]\) where, \(n\) = number of terms \(a\) = first term \(d\) = common difference
ganeshie8
  • ganeshie8
Sum of geometric sequence can be modelled using the formula :- \(\large S_n = \frac{a(r^n-1)}{r-1}\) where, \(n\) = number of terms \(a\) = first term \(r\) = common ratio
anonymous
  • anonymous
Thank you soooo very much !!
ganeshie8
  • ganeshie8
np :)

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