# Identify the Sequence 2/5 , -4/15 , 8/45 , -16/135 , 32/405

, , , ,
This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by gives the next term. In other words, .
Geometric Sequence:
This is the form of a geometric sequence.
Substitute in the values of and .
Use the power rule to distribute the exponent.
Apply the product rule to .
Apply the product rule to .
Multiply .
Combine and .
Rewrite as .
Multiply by .
Multiply and .
Identify the Sequence 2/5 , -4/15 , 8/45 , -16/135 , 32/405
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