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Rationalizing a radical denominator help needed
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How did they get this?
My work: \[\frac{ 3 }{ 1+\sqrt{3} } * \frac{ 1-\sqrt{3} }{ 1-\sqrt{3} }= \frac{ 3-\sqrt{3} }{ 1-3 }\]
\(3 * (1-\sqrt{3}) = ?\)
Oh. Where did the minus symbol come from?
the minus symbol is from the denominator @-Welp-
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1-3=-2
so they have written :\[3*(1-\sqrt{3})/-2 \] as \[-3(1-\sqrt{3})/2\]
now did u get it @-Welp- ?
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