Question

The common ratio of the G.P. 5, -5,5, -5, ... is
A) 1
B-1
C) 5
D) -5​

Answer 1

Answer:

C) - 1

Step-by-step explanation:

t1 = 5 , t2 = -5, t3 = 5 , t4 =-5

t2/ t1 =-5/5 = -1

t3/t2 =5/-5 =-1

common ratio is -1