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Effectuez \((2x^4-3)^3\)
\(8x^{12}-36x^8+54x^4-27\)
\(8x^{12}-27\)
\(8x^7-36x^6+54x^4-27\)
\(8x^{12}+36x^8+54x^4+27\)
\((a^2-b)^3=\)
\(a^6-b^3\)
\((a^2-b)(a^4+a^2b+b^2)\)
\(a^5-3a^4b+3a^2b^2-b^3\)
\(a^6 -3a^4b+3a^2b^2-b^3\)
Quel polynôme faut-il ajouter à \(x+5\) pour obtenir \(4x-1\) ?
\(3x+4\)
\(4x-6\)
\(3x-6\)
\(4-6\)
Factorisez \(x^5+4-4x^3-x^2\)
\((x^3-1)(x^2+4)\)
\((x-1)(x^2+x+1)(x-2)(x+2)\)
impossible
Factorisez \(a^3-b^3-a^2+b^2\)
\((a-b)(a^2+ab+b^2-a+b)\)
\((a-b)(a^2+ab+b^2-a-b)\)
\((a^2-b^2)(a-b-1)\)
\(a-b\)
Factorisez \(x^3+4x^2+5x+6\)
\((x+3)(x^2+x+2)\)
\((x-3)(x^2+x+2)\)
\((x^3+4x^2)(5x+6)\)
\(x(x^2+4x+5)+6\)
Factorisez \(ax^8-a\)
\(a(x^4-1)^2\)
\(a(x^2-1)^4\)
\(a(x-1)(x+1)(x^2+1)(x^4+1)\)
\(a(x-1)^8\)
Quel polynôme faut-il ajouter à \(x+5\) pour obtenir \(42x^2\) ?
\(42x^2\)
\(37x\)
\(42x^2-x-5\)
\((3a+2b)^2=\)
\(9a^2+12ab+4b^2\)
\(9a^2+4b^2\)
\(9a^2+4b^2+6ab\)
\(3a^2+2b^2+12ab\)
Factorisez \(x^7-3x^5+3x^3-x\)
\(x(x-1)^3(x+1)^3\)
\(x(x^2-1)(x^4-3x^2-1)\)
\(x(x^2-1)(x^4-3x^3+x^2+1)\)
\(x^6-3x^4+3x^2-1\)
