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" 2.If "a^(2)" ,"b^(2)" ,"C^(2)" are in ...

" 2.If "a^(2)" ,"b^(2)" ,"C^(2)" are in AP,then provethat "quad (1)/(b+c)=(1)/(c+a)=(1)/(a+b)

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"If " a^(2), b^(2), c^(2)" are in A.P., prove that "(1)/(b+c),(1)/(c+a),(1)/(a+b) " are also in A.P."

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