Q. 13.7( 20 Votes )

Rationalise the denominator of each of the following (i-vii) :

(i)3/root 5 (ii)3/2 root 5 (iii)1/root 12 (iv)root 2/root 5 (v) root 3+1/root 2 (vi)root 2 + root 5/root 3 (vii) 3 root 2/root 5

Answer :

(i) As there is √5 in the denominator and we know that √5 x √5 = 5


So, multiply numerator and denominator by √5,



(ii)


(iii)





(iv)


(v)


(vi)


(vii)

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

If =1.4142, then is equal to

RD Sharma - Mathematics

The value of is

RD Sharma - Mathematics

If x = , then x2 + -2 =

RD Sharma - Mathematics

If , then a =

RD Sharma - Mathematics

If x = 3+, find the value of x2+.

RD Sharma - Mathematics

The decimal representation of an irrational number is

RS Aggarwal & V Aggarwal - Mathematics

An irrational number between

RS Aggarwal & V Aggarwal - Mathematics