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Mathematics, 27.05.2021 05:00 jobrains3220

If a, b, c are in A. P., and a², b²,c² are in H. P. (a ≠ b ≠ c) then: (A) a 2b, c are in G. P
(B) a, b, care in H. P
(C) a, b, -c/2 are in G. P.
(D) -a/2 , b, c are in GP
(More than one are correct, and please try to explain it)​

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If a, b, c are in A. P., and a², b²,c² are in H. P. (a ≠ b ≠ c) then: (A) a 2b, c are in G. P
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