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Geometric progression formula & question solved​

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Answer:

here u go

Explanation:

nth term of go = ar^N-1

SUM of n terms = a(r^n -1)/r-1 (if r >1)

a(1-r^n)/1-r. (if r<1)

sum of infinite terms of gp = a/1-r

geometric mean = √ab

if n geometric means are INSERTED between a and B the

r = (b/a)^1/n+1

sum of all geometric means between a and b = ( √ab )^n

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