How to find the first five terms of a geometric sequence

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👉 Learn how to find the first 5 terms of a geometric sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. A geometric sequence is a sequence in which each term of the sequence is obtained by multiplying a pre-determined value, called the common ratio, to the preceding term.

The formula for the nth term of a geometric sequence is given by An = ar^(n - 1), where a is the first term, n is the term number and r is the common ratio. We can obtain the common ratio by dividing a term by the preceding term or if the known terms are not consecutive, we can obtain the common ratio by taking the nth root of the quotient of the two terms, where the n in the nth root is the difference of their term numbers. Plugging the required values into the formula, we can obtain the first five terms or the required terms of the geometric sequence.

Organized Videos:
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✅Determine The First Five Terms of The Arithmetic Sequence
✅How to Write The Formula for a Arithmetic Sequence
✅Find the nth Term of an Arithmetic Sequence
✅Find the First Five Terms of a Geometric Sequence
✅How to Write The Formula for a Geometric Sequence
✅Find the nth Term of a Geometric Sequence
✅How to Determine Arithmetic or Geometric Sequence
✅Find the First Five Terms of a Sequence
✅How to Write The Formula for a Sequence
✅Find the nth Term of a Sequence
✅How to Simplify Factorials
✅Recursive Sequences
✅Prove the Sum by Induction
✅Find the Given Term of Binomial Expansion
✅Binomial Expansion | Learn About
✅How to Expand a Binomial

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i learned math this year from him, yep, he great.

dak
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Is it valid to get value of a i.e . 1st term as negative??? Please reply me as early as possible....

hrishikeshhaldankar
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(4)(-1/4^1) = -1
1
= -1 ( why is it positive???)

blnkblnk
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I used the calculator and I got - 1 for a2, +1/4 for a3. Help me please

amirulhafeez
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why are you doing this the hard way using the formula ? simply multiply a and r, whatever answer u get multiply that with the R and keep doing until u have 5 terms

TheWarfare
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why -1? 3–1=2. (-1/4)²= 1/16 or 16. so why did it become negative 16 not positive?

edenrosebintucan