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[" If "a,b,c" are in A.P.,then "],[(1)/(...

[" If "a,b,c" are in A.P.,then "],[(1)/(sqrt(b)+sqrt(c)),(1)/(sqrt(c)+sqrt(a)),(1)/(sqrt(a)+sqrt(b))" are in- "],[[" (A) A.P."," (B) G.P."],[" (C) H.P."," (D) None of these "]]

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