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1. |
If one geometric mean G and two airthmetic mean A₁, A₂ are inserted between two numbers, then (2A₁ – A₂) (2A₂ – A₁) is equal to _______ |
A. | 2G |
B. | G |
C. | G² |
D. | None of the mentioned |
Answer» D. None of the mentioned | |