1.

If \[{{b}^{2}},\,{{a}^{2}},\,{{c}^{2}}\] are in A.P., then \[a+b,\,b+c,\,c+a\] will be in [AMU 1974]

A. A.P.
B. G.P.
C. H.P.
D. None of these
Answer» D. None of these


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