SOLUTION: 2) The third term of a G.P 12 and the first term is 48. Find the sum of the first 11 terms.
Algebra.Com
Question 1128311: 2) The third term of a G.P 12 and the first term is 48. Find the sum of the first 11 terms.
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
WE are given:
= the first term
= the third term
For a G.P. (geometric progression, geometric sequence in the USA),
with a common ratio , the term is
The third term is given by that "formula" for as
Substituting into
for and for we get
Without more information, we cannot tell
if or
For a G.P. the sum of the first terms is given by
For we get
IF :
IF :
......
...............
RELATED QUESTIONS
The third term of a g.p is 12 and the first term is 48.find the sum of the first 11... (answered by mananth,ikleyn)
The sum of the second and the third terms of a geometric progression is 6,the sum of the... (answered by Fombitz,Edwin McCravy)
Find the possible values of the common ration if the:
(a) First term is 11 and the sum... (answered by AnlytcPhil)
THE 2ND AND 7TH TERM OF A G.P ARE 18 AND 4374 RESPECTIVELY. FIND THE
1) COMMON... (answered by josgarithmetic,Edwin McCravy,mccravyedwin,ikleyn,AnlytcPhil)
What is the first term of a sequence when the eighth term is twice the third term and the (answered by Boreal)
The 5th term of a GP is 8, the third term is 4, and the sum of the first ten terms is... (answered by MathLover1,ikleyn,greenestamps)
Find the common ratio of a finite geometric series if the first term is 11, and the sum... (answered by greenestamps,ikleyn)
The fourth term of a G.P. is 48 and the seventh term is 384.Find the common ratio and... (answered by josgarithmetic,MathTherapy)
Given that the 2rd term of a G.p is 180 and the 3rd term is 360, calculate:
a) the first (answered by josgarithmetic,math_tutor2020)