Answer:
The common ratio of the given sequence is -2.
Step-by-step explanation:
Given : The geometric sequence –2, 4, –8, 16, –32
To find : The common ratio of the given sequence ?
Solution :
Geometric series is in the form
Where, a is the first term and r is the common ratio.
The formula of common ratio is dividing second term with the first one.
In the given sequence, –2, 4, –8, 16, –32
First term is
Second term is
Therefore, The common ratio of the given sequence is -2.