Question

If an be a geometric progression such that a 1 is 4 and r is 6.Find sum of first aix elements

Answer 1

the 1st element is a = 4

2. a×r = 4×6 =24

3. a×r×r = 144

4. a×r×r×r = 864

5. a×r×r×r×r = 5184

6. a×r×r×r×r×r = 31104...

these are the six elements of the g.p.