Ask a New Question
Search
in a geometric sequence T6=-243 & T3=72 determine the constant ratio and the sum of the first 10 terms
1 answer
r^3 = -243/72 = (-9*27)/(9*8)
r = -3/2
a(-3/2)^2 = 72
a = 32
S10 = 32(r^10-1)/(r-1) = -11605/16
Ask a New Question
or
answer this question
.
Similar Questions
in a geometric sequence T6=-243 & T3=72 determine the constant ratio
0 answers
The first element of a geometric sequence is 1 and the common ratio is 3; determine the smallest 4 digit numeral that represents
1 answer
if term 6=-243 and term 3=72 of a geometric sequence determine the constant ratio
2 answers
Determine whether the sequence is geometric. If so, find the common ratio. 2, –6, 18, –54,...
a. −1/3 b. 3 c. not geometric
1 answer
more similar questions