Advertisements
Advertisements
Question
Rationalise the denominators of : `[ 2 - √3 ]/[ 2 + √3 ]`
Sum
Advertisements
Solution
`[ 2 - √3 ]/[ 2 + √3 ] xx [ 2 - √3 ]/[ 2 - √3 ]`
= `[( 2 - √3 )^2]/[(2)^2 - (√3)^2] = [ 4 + 3 - 4√3]/[ 4 - 3 ]`
= `[ 7 - 4√3 ]/1`
= 7 - 4√3
shaalaa.com
Simplifying an Expression by Rationalization of the Denominator
Is there an error in this question or solution?
