Step-by-step explanation:
For instance, if the first term of a geometric sequence is a1=−2 a 1 = − 2 and the common ratio is r=4 , we can find subsequent terms by multiplying −2⋅4 − 2 ⋅ 4 to get −8 then multiplying the result −8⋅4 − 8 ⋅ 4 to get −32 and so on.
