a(1+r) = 20
ar(1+r) = 30
now divide to get
r = 3/2
the GP is 8,12,18,...
sum of the first 2 terms of an increasing GP is 20. Sum of the second term and third term of the same GP is 30. Determine the common ratio.
5 answers
Send the complete answer
Can you please go by the procedure.
a(1+r)=20
Divide by↓
ar(1+r)=30
answer ↓
common ratio= 1.5
Divide by↓
ar(1+r)=30
answer ↓
common ratio= 1.5
So nice💯💯✌️
1 answer