The Total solution for NCERT class 6-12
For what values of x, the numbers -2/7, x, -7/2 arein G.P?
The given numbers are-2/7, x, -7/2.
Common ratio =x/(-2/7) = -7x/2
Also, common ratio= (-7/2)/x = -7/2x
Therefore, for x =± 1, the given numbers will be in G.P.
