Math, asked by GODOFTHUNDERTHOR, 11 months ago

3√5+√3/√5-√3
rationalize​

Answers

Answered by Anonymous
12

\mathfrak{\huge{\red{ANSWER}}}

 \frac{3 \sqrt{5}  +  \sqrt{3} }{ \sqrt{5}  -  \sqrt{3} }  \\  \\  =  \geqslant  \frac{3 \sqrt{5}  +  \sqrt{3} }{ \sqrt{5} -  \sqrt{3}  }  \times  \frac{ \sqrt{5}  +  \sqrt{3} }{ \sqrt{5} +  \sqrt{3}  }  \\  \\  =  \geqslant  \frac{15 + 3 \sqrt{15}  +  \sqrt{15} +  \sqrt{9}  }{( \sqrt{5}) {}^{2} - ( \sqrt{3}) {}^{2}    }  \\  \\  =  \geqslant  \frac{15 + 4 \sqrt{15}  + 3}{5 - 3}  \\  \\  =  \geqslant \:  \frac{18 + 4 \sqrt{15} }{2}  \\  \\  =  \geqslant cutting \: 18 \:  \: from \: 2 \\  \\  =  \geqslant 9 + 4 \sqrt{15}


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