Math, asked by maazkazi4221, 1 year ago

Rationalise the denominator 25/root2 +root 5

Answers

Answered by balakrishna40
14

 \frac{25}{ \sqrt{5} +  \sqrt{2}  }  =

 \frac{25}{ \sqrt{5}  +  \sqrt{2} }  \times  \frac{ \sqrt{5}  -  \sqrt{2} }{ \sqrt{5}  -  \sqrt{2} }  =

25( \frac{ \sqrt{5}  -  \sqrt{2} }{5 - 2} ) =  \frac{25}{3} ( \sqrt{5}  -  \sqrt{2} )

Answered by V07926LOVYANSH
2

Answer:

Step-by-step explanation:

\frac{25}{ \sqrt{5} +  \sqrt{2}  }  =  

\frac{25}{ \sqrt{5}  +  \sqrt{2} }  \times  \frac{ \sqrt{5}  -  \sqrt{2} }{ \sqrt{5}  -  \sqrt{2} }  =  

25( \frac{ \sqrt{5}  -  \sqrt{2} }{5 - 2} ) =  \frac{25}{3} ( \sqrt{5}  -  \sqrt{2} )

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