Corrigé du 28 P. 22

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\[\begin{aligned} u_0 &= 4\times 0^2 - 2\times 0 + 6 = 6\;;& \\ u_1 &= 4\times 1^2 - 2\times 1 + 6 = 8\;;& \\ u_2 &= 4\times 2^2 - 2\times 2 + 6 = 18\;;& \\ u_3 &= 4\times 3^2 - 2\times 3 + 6 = 36\;;& \\ u_4 &= 4\times 4^2 - 2\times 4 + 6 = 62.& \end{aligned}\]

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