Bonjour
Développons l'expression 4(1+x^3) ^2
4(1+x^3) ^2 = 4(1 + 2x^3 + x^6) = 4 + 8x^3 + 4x^6
4x^6 + 8x^3 + 4 = 24x^5 + 24x^2 ou 24x^2(x^3+1)
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y' = 4.2(1+3x³)3x² = 24x²(1 + 3x³)
Verified answer
Bonjour
Développons l'expression 4(1+x^3) ^2
4(1+x^3) ^2 = 4(1 + 2x^3 + x^6) = 4 + 8x^3 + 4x^6
4x^6 + 8x^3 + 4 = 24x^5 + 24x^2 ou 24x^2(x^3+1)