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[" 26.If "x,y,z" are in G.P.and "a^(x)=b...

[" 26.If "x,y,z" are in G.P.and "a^(x)=b^(y)=c^(z)" ,then "],[[" (a) "log_(alpha)c=log_(b)a," (b) "log_(b)a=log_(c)b],[" (c) "log_(c)b=log_(a)c," (d) None of these "]]

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