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If the first of a G.P. a1,a2,a3,....... is unity such that 4 a2+5 a3 is least, then the common ratio of G.P. is |
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Answer» If the first of a G.P. a1,a2,a3,....... is unity such that 4 a2+5 a3 is least, then the common ratio of G.P. is |
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