precalc. Arithmetic and geometric questions.

Calculus
Tutor: None Selected Time limit: 1 Day

find the nth term of the term of the sequence 8, 4, 2, 1,...

Apr 7th, 2015

To find any term   of a geometric sequence:

where a1 is the first term of the sequence, r is the common ratio, n is the number of the term to find.

Here a1 = 8 

      common ratio is 1/2

    we have to find nth term .. put the values in the formula

     nth term = 8x (1/2)^(n-1)


^ this symbol represents power... 

Apr 7th, 2015

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Apr 7th, 2015
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Apr 7th, 2015
Dec 4th, 2016
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