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## <div>I wanted to know why the rationalising factor of the equation&nbsp;<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=5df6f15efca4f9bcc1e0810be4280152.png" alt="begin inline style fraction numerator 5 plus 2 square root of 3 over denominator 5 minus 2 square root of 3 end fraction end style" align="middle" />&nbsp;is&nbsp;<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=9b49dd4342edc523c138fa92de5897ed.png" alt="5 plus 2 square root of 3" align="middle" />, instead of&nbsp;<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=e7e965e9490e69e14f873c6136cbd55b.png" alt="5 minus 2 square root of 3" align="middle" />. This equation was in one of the video lessons, and I am a bit confused why addition is being used in the rationalising factor. Can I use&nbsp;<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=e7e965e9490e69e14f873c6136cbd55b.png" alt="5 minus 2 square root of 3" align="middle" />as the rationalising factor?</div>

Asked by shikharmota 11th April 2017 4:34 PM

## Rationalize:-1/(wholeroot8+root3) or 1/whole√(8+√3) both are same.Please solve it its urgent.

Asked by Harsh 4th December 2017 3:39 PM

## If√2=1.4142,then find the value of√√2-1/√2+1

Asked by ABHILASHA 21st January 2018 9:29 PM

### ICSE IX Mathematics Rational and Irrational Numbers

Asked by sdeplg2r1 16th June 2018 8:18 PM