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If A1,A2,G1,G2 and H1,H2 are AM’s, GM’s ...

If `A_1,A_2,G_1,G_2` and `H_1,H_2` are AM’s, GM’s and HM’s between two numbers, then `(A_1+A_2)/(H_1+H_2). (H_1H_2)/(G_1G_2)` equals _____

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