Ask a New Question

The nth term and the sum of n terms of a geometric sequence are 5 and 55 respectively. If the commom ratio is -(1/2)n find the first term and value of n

1 answer

Do you mean r = -(1/2)^n?

Similar Questions

1. What is the tenth term of the geometric sequence whose first term (a1) is 16 and the common ratio (r) is –½?2. Given the
1. 1 answer
1. The fourth and seventh terms of a geometric sequence are 6 and 384, respectively. What is the common ratio and the sixth term
1. 1 answer
The 1st,5th,13th term of an arithmetic sequence are the first 3 terms of geometric sequence with a common ratio of 2. If the
1. 1 answer
The first term of an arithmetic sequence is 2. The first, third and eleventh terms are the first three terms of a geometric
1. 1 answer

more similar questions