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9.- Realiza las siguientes sumas y restas de raices: \( 3 \sqrt[3]{16}+\sqrt[3]{54}-5 \sqrt[3]{2}= \) \( 4 \sqrt{75}+3 \sqrt{12}-\sqrt{108}+2 \sqrt{3}= \)

Ask by Hammond Hampton. in Spain
Jan 26,2025

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1. \( 3 \sqrt[3]{16} + \sqrt[3]{54} - 5 \sqrt[3]{2} = 4 \sqrt[3]{2} \) 2. \( 4 \sqrt{75} + 3 \sqrt{12} - \sqrt{108} + 2 \sqrt{3} = 22 \sqrt{3} \)

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Para simplificar \( 3 \sqrt[3]{16}+\sqrt[3]{54}-5 \sqrt[3]{2} \), primero notar que \( \sqrt[3]{16} = \sqrt[3]{2^4} = 2 \sqrt[3]{2} \). Por lo tanto, \( 3 \sqrt[3]{16} = 6 \sqrt[3]{2} \). Luego, \( \sqrt[3]{54} = \sqrt[3]{27 \cdot 2} = 3 \sqrt[3]{2} \) y así queda: \( 6 \sqrt[3]{2} + 3 \sqrt[3]{2} - 5 \sqrt[3]{2} = (6 + 3 - 5) \sqrt[3]{2} = 4 \sqrt[3]{2} \). Para la otra expresión, comenzamos simplificando cada raíz. \( \sqrt{75} = 5 \sqrt{3} \) y \( \sqrt{12} = 2 \sqrt{3} \), mientras que \( \sqrt{108} = 6 \sqrt{3} \). Entonces, la expresión queda: \( 4(5 \sqrt{3}) + 3(2 \sqrt{3}) - 6 \sqrt{3} + 2\sqrt{3} = 20 \sqrt{3} + 6 \sqrt{3} - 6 \sqrt{3} + 2 \sqrt{3} = (20 + 6 - 6 + 2) \sqrt{3} = 22 \sqrt{3} \). Por lo tanto, las respuestas son: 1. \( 4 \sqrt[3]{2} \) 2. \( 22 \sqrt{3} \)

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