Three consecutive terms of a geometric progression are gi...
Three consecutive terms of a geometric progression are given as n-2, n and n+3. Find the common ratio
1/4
1/2
2/3
3/2
Correct answer is D
r=nn−2andr=n+3n∴nn−2=n+3nn2=n2+3n−2n−60=n−6∴n=6Butr=nn−2r=66−264=32
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