Math, asked by 0O9I8U7Y6T, 1 year ago

ratinalize 4/2+root 3 +root 7

Answers

Answered by mysticd
2
Hi ,

4/( 2 + √3 + √7 )

= [4(2+√3-√7 )]/[(2+√3+√7)(2+√3-√7)]

= [4(2+√3-√7)]/[( 2+√3)² - ( √7 )² ]

= [ 4(2+√3-√7)]/( 4 + 3 + 4√3 - 7 )

= [ 4(2+√3-√7) ] / ( 4√3 )

= ( 2 + √3 - √7 ) / √3

= [ √3( 2 + √3 - √7 ) ]/( √3 × √3 )

= ( 2√3 + 3 - √21 ) / 3

I hope this helps you.

: )

0O9I8U7Y6T: is this is correct answer ..
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0O9I8U7Y6T: is this is helpfull for me
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