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Produtos notáveis (9/4 + x4) (9/4-x4)

Resposta :

NILTONJUNIOR20OSS764ON

[tex]\boxed{(a+b)(a-b)=a^2-b^2}[/tex]

[tex]\bigg(\dfrac{9}{4}+x^4\bigg)\bigg(\dfrac{9}{4}-x^4\bigg)=\bigg(\dfrac{9}{4}\bigg)^2-\big(x^4\big)^2=\boxed{\dfrac{81}{16}-x^8}[/tex]

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