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 ->
Sequences-and-series
-> 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
Log On
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;