SOLUTION: The product of the first three terms of a geometric sequence is 3375 and there sum is 65. Find the first term of the progression
Algebra.Com
Question 1063842: The product of the first three terms of a geometric sequence is 3375 and there sum is 65. Find the first term of the progression
Answer by Mini-(17) (Show Source): You can put this solution on YOUR website!
Answer: 5, 15, 45;
3375 = 3*3*3*5*5*5 = 5 * (3*5) * (3*3*5) = 5 * 15 * 45;
Check: 5*15*45=3375; 5+15+45=65;
RELATED QUESTIONS
The sum of the first three terms of a geometric sequence of integers is equal to seven... (answered by greenestamps,Edwin McCravy,math_tutor2020)
The first two terms of a geometric sequence and an arithmetic sequence are the same. The... (answered by Edwin McCravy)
In a geometric sequence, the sum of the fourth term to the sixth term is 1\3 the sum of... (answered by KMST)
the fifth term of a geometric sequence is 252 and the common ratio is 0.5 find the first... (answered by josgarithmetic,MathTherapy)
The first term of a geometric sequence is 3. The sum of the first three terms is 129.... (answered by AnlytcPhil)
The product and sum of three consecutive terms in a Geometric Progression are 3375 and 65 (answered by stanbon)
The sum of the first three terms of a geometric sequence is 8 and the sum of the first... (answered by mananth,ikleyn,Edwin McCravy,greenestamps)
Find the sum of the terms of a geometric sequence where the first term is 4, the last... (answered by MathLover1,ikleyn)
The first,third and eight term of an arithmetic sequence form the first three terms of a... (answered by richwmiller)