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Mathematics 23 Online
OpenStudy (jazzyfa30):

help please

OpenStudy (jazzyfa30):

OpenStudy (anonymous):

Multiply the denominator by the conjugate:\[\bf \frac{ 6 }{ 4+\sqrt2 }=\frac{ 6(4-\sqrt2 )}{( 4+\sqrt{2})(4-\sqrt{2}) }=\frac{ 6(4-\sqrt2 )}{14}=\frac{ 3(4-\sqrt2 )}{7}=?\]Can you finish the last step in the simplification? @jazzyfa30

OpenStudy (jazzyfa30):

\[\frac{ 12-\sqrt{2} }{ 7 }\]

OpenStudy (jazzyfa30):

@genius12

OpenStudy (anonymous):

You're missing something. You didn't do the multiplication correctly in the numerator. Look again. @jazzyfa30

OpenStudy (jazzyfa30):

ummmm\[\frac{ -10 }{ 7 }\]

OpenStudy (jazzyfa30):

@genius12

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