Ask a New Question

Asked by Bhishma

If the sum of first four terms of GP is 30, sum of last four terms of GP is 960 and first term is 2 then find common ratio.
9 years ago

Answers

Steve
2(r^4-1)/(r-1) = 30
r=2

The last 4 terms don't matter, unless you are interested in how many there are.

9 years ago
Bhishma
2(r^4-1)/(r-1) = 30
r=2
Cannot we say by comparing? there is no simplification? How can u say that direct answer is ?
9 years ago

Related Questions

The sum of the first 6 terms of a geometric sequence is 9 times the sum of the first 3 terms. find t... write the next terms two terms in the pattern 42, 49 39,46 <---- 38, 45 40, 48 I cant t... How many terms has the AP whose first term is 57 given that the common difference is 3 Which of the following terms described the writer's attitude toward his or her subject ? How many terms are there in the geometric progression 2, 4, 8...,128? 1 Which of the following terms is used to describe the rewards earned by or given to a player as pos... Key terms: Expression Terms Factors Coefficients Meaning - definition - picture - Example with... identify the terms, like terms, coefficients, and constant terms. Then, simplify the expression: 8c... like terms: terms consistising of the same ______________, raised to the same ________________.
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use