1.

Let a,b and c be the 7th,11th and 13th terms respectively of a non-constant A.P. If these are also the three consecutive terms of a G.P., then ac is equal to :

Answer»

Let a,b and c be the 7th,11th and 13th terms respectively of a non-constant A.P. If these are also the three consecutive terms of a G.P., then ac is equal to :




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