The sum of the first n terms of the geometric progression, whose first term is 4 and the common ratio is 3, is 4372. Find na.7b.8c.6d.9

In a geometric progression, the sum of the first n terms is 3069 and the first term is 3. If the nth term in the progression is 1536, find the common ratio

The third, fifth and seventeenth terms of an arithmetic progression are in geometric progression. Find the common ratio of the geometric progression.

The sum of the first 3 terms of a geometric series is 26. The sum of the first 6 terms is 728. Find the first term and common ratio.

In a geometric progression consisting of real numbers, the 2nd term is 9 and the 6th term is 729. What is the 4th term?a.27b.- 27c.- 81d.81

Find the 10th term of the arithmetic progression whose 4th term is 7 and whose 17th term is 72.a.42b.47c.32d.37