State the common difference or ratio and determine a formula for the nth term. 5,10,20,40,... I got the common difference which is X 2. But I dont get the 2nd part.
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Originally Posted by blame_canada100 State the common difference or ratio and determine a formula for the nth term. 5,10,20,40,... I got the common difference which is X 2. But I dont get the 2nd part. The nth term of a geometric sequence with initial value a and common ratio r is given by So, The nth term for this sequence would be given by:
Originally Posted by blame_canada100 State the common difference or ratio and determine a formula for the nth term. 5,10,20,40,... I got the common difference which is X 2. But I dont get the 2nd part. Hi blame_canada100, You didn't find a common difference; you found a common ratio. Continue....
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