Mathématiques

Question

sachant que A  = 2

 fraction B  =   1/2 X ( A + 2/A) = 3/2


            C =  1/2 X (B + 2/B)  

1 Réponse

  • sachant que A  = 2
    B  =   1/2 X ( A + 2/A) = 3/2
    C =  1/2 X (B + 2/B)
    C = 1/2 x (3/2 + 2 x 2/3)
    C = 1/2 x (3/2 + 4/3)
    C = 1/2 x 3/2 + 1/2 x 4/3
    C = 3/4 + 4/6
    C = 9/12 +8/12
    C = 17/12

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