Question

rationalise the denominator of 1/√3-√2 1

Answer 1

I think it will help you....
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Answer 2

$\frac{1}{ \sqrt{3} - \sqrt{21} }$


Rationalizing the Denominator,

$\frac{1}{ \sqrt{3} - \sqrt{21} }$ × $\frac{ \sqrt{3} + \sqrt{21} }{ \sqrt{3} + \sqrt{21} }$
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On Denominator,

By Formula, $(a+b)(a-b) = a^2 - b^2$
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$\frac{ \sqrt{3} + \sqrt{21} }{( \sqrt{3})^2 - ( \sqrt{21})^2 }$

$\frac{ \sqrt{3} + \sqrt{21} }{3 - 21}$


$\frac{ \sqrt{3} + \sqrt{21} }{-18}$


$\frac{-1( \sqrt{3} + \sqrt{21} ) }{18}$


$\frac{- \sqrt{3} - \sqrt{21} }{18}$





i hope this will help you



-by ABHAY