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[" 10.If the numbers "a^(2),b^(2),c^(2)"...

[" 10.If the numbers "a^(2),b^(2),c^(2)" are given in "AP" ,show that "(1)/(b+c)],[(1)/(c+a),(1)/(a+b)" are in "AP.]

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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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