If \[a,\,b,\ c\] are in A.P. and \[{{a}^{2}},\ {{b}^{2}},\ {{c}^{2}}\] are in H.P., then [MNR 1986, 1988; IIT 1977, 2003]

If \[a,\,b,\ c\] are in A.P. and \[{{a}^{2}},\ {{b}^{2}},\ {{c}^{2}}\]

1.	If \[a,\,b,\ c\] are in A.P. and \[{{a}^{2}},\ {{b}^{2}},\ {{c}^{2}}\] are in H.P., then [MNR 1986, 1988; IIT 1977, 2003]
A.	\[a=b=c\]
B.	\[2b=3a+c\]
C.	\[{{b}^{2}}=\sqrt{(ac/8)}\]
D.	None of these
Answer» B. \[2b=3a+c\]

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If \[a,\,b,\ c\] are in A.P. and \[{{a}^{2}},\ {{b}^{2}},\ {{c}^{2}}\] are in H.P., then [MNR 1986, 1988; IIT 1977, 2003]

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