Odpowiedź:
x = ( [tex]\sqrt[3]{15} + \sqrt[3]{10} ) - ( \sqrt[3]{15} - \sqrt[3]{10} ) = 2 \sqrt[3]{10}[/tex]
y = ( [tex]\sqrt[3]{10} + \sqrt[3]{5} _ - ( \sqrt[3]{10} - \sqrt[3]{5} ) = 2 \sqrt[3]{5}[/tex]
x : y = [tex]\frac{2 \sqrt[3]{10} }{2 \sqrt[3]{5} } = \sqrt[3]{\frac{10}{5} } = \sqrt[3]{2}[/tex]
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Szczegółowe wyjaśnienie:
( a - b )*( a + b ) = a² - b²
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Odpowiedź:
x = ( [tex]\sqrt[3]{15} + \sqrt[3]{10} ) - ( \sqrt[3]{15} - \sqrt[3]{10} ) = 2 \sqrt[3]{10}[/tex]
y = ( [tex]\sqrt[3]{10} + \sqrt[3]{5} _ - ( \sqrt[3]{10} - \sqrt[3]{5} ) = 2 \sqrt[3]{5}[/tex]
x : y = [tex]\frac{2 \sqrt[3]{10} }{2 \sqrt[3]{5} } = \sqrt[3]{\frac{10}{5} } = \sqrt[3]{2}[/tex]
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Szczegółowe wyjaśnienie:
( a - b )*( a + b ) = a² - b²