4. Utilice los productos notables estudiados para hallar en cada expresión dada otra equi- valente a ella. a) \( (\sqrt[3]{5}-\sqrt[3]{2})(\sqrt[3]{5}+\sqrt[3]{2}) \) b) \( \left(a^{m}-b^{n}\right)\left(a^{m}+b^{n}\right) \) c) \( (x+y+1)(x-y-1) \) d) \( \left(2^{x}-3^{x}\right)\left(2^{x}+3^{x}\right) \) e) \( \left(x^{2}-y^{2}\right)\left(x^{2}+y^{2}\right)\left(x^{4}+y^{4}\right) \) f) \( \left(2 y^{2 / 5}-3 x^{2}\right)\left(2 y^{2 / 5}+3 x^{2}\right) \)
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Claro, a continuación te presento las expresiones dadas utilizando productos notables: a) \( (\sqrt[3]{5}-\sqrt[3]{2})(\sqrt[3]{5}+\sqrt[3]{2}) = \sqrt[3]{5^2} - \sqrt[3]{2^2} = \sqrt[3]{25} - \sqrt[3]{4} \) b) \( \left(a^{m}-b^{n}\right)\left(a^{m}+b^{n}\right) = a^{2m} - b^{2n} \) c) \( (x+y+1)(x-y-1) = x^2 - y^2 + x - y - 1 \) d) \( \left(2^{x}-3^{x}\right)\left(2^{x}+3^{x}\right) = (2^x)^2 - (3^x)^2 = 2^{2x} - 3^{2x} \) e) \( \left(x^{2}-y^{2}\right)\left(x^{2}+y^{2}\right)\left(x^{4}+y^{4}\right) = (x^2)^2 - (y^2)^2 = x^4 - y^4 \) f) \( \left(2 y^{2 / 5}-3 x^{2}\right)\left(2 y^{2 / 5}+3 x^{2}\right) = (2 y^{2/5})^2 - (3x^2)^2 = 4y^{4/5} - 9x^4 \)