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\((2x-1)(2x+1)=\)
\(4x^2-4x+1\)
\(4x^2-1\)
\(4x^2+1\)
\(2x^2-1\)
Le polynôme \( x^2-3x+2\) est divisible par
\(x-2\)
\(x+1\)
\(x+2\)
\(x-5\)
Effectuez \((xy-1)^2\)
\(x^2y^2-1-2xy\)
\(x^2y^2+1-2xy\)
\(x^2y^2+1-xy\)
\(x^2y^2-1\)
Déterminez \(p\) pour que la division de \( x^3+px-1\) par \( x+1\) soit exacte.
\(p=0\)
\(p=2\)
\(p=-1\)
\(p=-2\)
L'évaluation du polynôme \(P(x)= x^3+5x^2-4x+2\) en \(x=2\) vaut
\(0\)
\(24\)
\(2\)
\(22\)
Effectuez \((x^2+2x+9)-(x^2-4)+(x^2-x)\)
\(3x^2+x+13\)
\(x^2+x+13\)
\(x^2+x+5\)
\(x^2+x+12\)
Factorisez \(x^5-8x^3+16x\)
\(x(x^2+4)^2\)
\(x(x^4+16)^2\)
\(x(x+4)^2\)
\(x(x^2-4)^2\)
Effectuez \(-(1+x^3+x^2)(x-1)\)
\(x^4-x^2-x+1\)
\(x^4+2x^3+x^2+x+1\)
\(1-x+x^2+x^3\)
\(-x^4+x^2-x+1\)
\((\sqrt{3}-\sqrt{2})^2=\)
\(5-2\sqrt{5}\)
\(1\)
\(5-\sqrt{6}\)
\(5-2\sqrt{6}\)
Factorisez \(x^2+5x+6\)
\((x-2)(x-3)\)
\((x+2)(x+3)\)
\((x+2)(x-3)\)
impossible
