Respuesta:
[tex]\mathrm{Expandir}\:\left(3x^3-7y\right)^2:\quad 9x^6-42x^3y+49y^2[/tex]
Explicación paso a paso:
[tex]\left(3x^3-7y\right)^2[/tex]
[tex]\mathrm{Aplicar\:la\:formula\:del\:binomio\:al\:cuadrado}:\quad \left(a-b\right)^2=a^2-2ab+b^2[/tex]
[tex]=\left(3x^3\right)^2-2\cdot \:3x^3\cdot \:7y+\left(7y\right)^2[/tex]
[tex]=9x^6-42x^3y+49y^2[/tex]
De Nada
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Respuesta:
[tex]\mathrm{Expandir}\:\left(3x^3-7y\right)^2:\quad 9x^6-42x^3y+49y^2[/tex]
Explicación paso a paso:
[tex]\left(3x^3-7y\right)^2[/tex]
[tex]\mathrm{Aplicar\:la\:formula\:del\:binomio\:al\:cuadrado}:\quad \left(a-b\right)^2=a^2-2ab+b^2[/tex]
[tex]=\left(3x^3\right)^2-2\cdot \:3x^3\cdot \:7y+\left(7y\right)^2[/tex]
[tex]=9x^6-42x^3y+49y^2[/tex]
De Nada