Math, asked by nishantsamdwar78, 4 months ago

वन बाय रूट 7 माइनस टू के हर का परिमेयकरण कीजिए​

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Answered by Anonymous
3

SolutioN :-

\longrightarrow \sf Rationalisation \: of \:\frac{1}{ \sqrt{7} - 2 } \: is\\  \\ \longrightarrow \sf \frac{1}{ \sqrt{7} - 2 }  \times  \frac{ \sqrt{7} + 2}{ \sqrt{7}  + 2} \\  \\ \longrightarrow \sf \frac{ \sqrt{7} + 2 }{ {( \sqrt{7} )}^{2} -  {(2)}^{2}  } \\  \\ \longrightarrow \sf \frac{ \sqrt{7} + 2 }{7 - 4}  \\  \\\longrightarrow \sf \frac{ \sqrt{7} + 2 }{3}

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