If \[{{a}^{2}},\ {{b}^{2}},\ {{c}^{2}}\] are in A.P., then \[{{(b+c)}^{-1}},\ {{(c+a)}^{-1}}\] and \[{{(a+b)}^{-1}}\] will be in [Roorkee 1968; RPET 1996]

If \[{{a}^{2}},\ {{b}^{2}},\ {{c}^{2}}\] are in A.P., then \[{{(b+c)}^

1.	If \[{{a}^{2}},\ {{b}^{2}},\ {{c}^{2}}\] are in A.P., then \[{{(b+c)}^{-1}},\ {{(c+a)}^{-1}}\] and \[{{(a+b)}^{-1}}\] will be in [Roorkee 1968; RPET 1996]
A.	H.P.
B.	G.P.
C.	A.P.
D.	None of these
Answer» D. None of these

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If \[{{a}^{2}},\ {{b}^{2}},\ {{c}^{2}}\] are in A.P., then \[{{(b+c)}^{-1}},\ {{(c+a)}^{-1}}\] and \[{{(a+b)}^{-1}}\] will be in [Roorkee 1968; RPET 1996]

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