Advertisements
Advertisements
Question
Rationalize the denominator.
`3 /sqrt5`
Advertisements
Solution
`3 /sqrt5`
`= 3 /sqrt5 xx sqrt 5 / sqrt 5`
`= (3sqrt5)/ (sqrt 5)^2`
`= (3sqrt 5)/5`
APPEARS IN
RELATED QUESTIONS
Rationalize the denominator.
`1/sqrt14`
Rationalize the denominator.
`5/sqrt 7`
Rationalize the denominator.
`6/(9sqrt 3)`
Rationalize the denominator.
`11 / sqrt 3`
Write the simplest form of rationalising factor for the given surd.
`sqrt 32`
Write the lowest rationalising factor of 5√2.
Write the lowest rationalising factor of : √24
Write the lowest rationalising factor of : 7 - √7
Write the lowest rationalising factor of : √5 - √2
Write the lowest rationalising factor of : 3√2 + 2√3
Find the values of 'a' and 'b' in each of the following :
`[2 + sqrt3]/[ 2 - sqrt3 ] = a + bsqrt3`
Find the values of 'a' and 'b' in each of the following:
`[5 + 3sqrt2]/[ 5 - 3sqrt2] = a + bsqrt2`
If x =`[sqrt5 - 2 ]/[ sqrt5 + 2]` and y = `[ sqrt5 + 2]/[ sqrt5 - 2 ]`; find : y2
If x = 2√3 + 2√2 , find : `( x + 1/x)^2`
Evaluate: `( 4 - √5 )/( 4 + √5 ) + ( 4 + √5 )/( 4 - √5 )`
Rationalise the denominator and simplify `(sqrt(48) + sqrt(32))/(sqrt(27) - sqrt(18))`
Rationalise the denominator and simplify `sqrt(5)/(sqrt(6) + 2) - sqrt(5)/(sqrt(6) - 2)`
