Advertisement Remove all ads

Rationalise the Denominator of the Following :- 1 √ 7 − √ 6 - Mathematics

Sum

Rationalise the denominator of the following :-
`1/(sqrt7-sqrt6)`

Advertisement Remove all ads

Solution

`1/(sqrt7-sqrt6)`

`1/(sqrt7-sqrt6)=(1(sqrt7+sqrt6))/((sqrt7-sqrt6)(sqrt7+sqrt6))"          |Multiplying and divding by "sqrt7 + sqrt6`

             `= (sqrt7+sqrt6)/((sqrt7)^2-(sqrt6)^2)`

             `= (sqrt7+sqrt6)/(7-6)=(sqrt7+sqrt6)/1=(sqrt7+sqrt6)`

  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

NCERT Class 9 Mathematics Textbook
Chapter 1 Number Systems
Exercise 1.5 | Q 5.2 | Page 24
Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×