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[" If "p,q" be two "AM's" and "G" be one...

[" If "p,q" be two "AM's" and "G" be one GM between two numbers,then "G^(2)" is equal to "],[[" (A) "(2p-q)(p-2q)," (B) "(2p-q)(2q-p)],[" (C) "(2p-q)(p+2q)," (D) None of these "]]

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