1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard IX
Mathematics
Rationalisation
Express 1/√...
Question
Express
1
√
5
+
√
2
with rational denominator.
Open in App
Solution
Let,
x
=
1
√
5
+
√
2
×
√
5
−
√
2
√
5
−
√
2
{rationalizing}
=
√
5
−
√
2
(
√
5
)
2
−
(
√
2
)
2
=
√
5
−
√
2
3
∴
x
=
√
5
3
−
√
2
3
Suggest Corrections
1
Similar questions
Q.
Express
E
=
1
√
5
+
√
3
−
√
8
with a rational denominator.
Q.
Express
−
48
60
as a rational number with denominator
5
.
Q.
Express as equivalent fractions with rational denominator:
√
2
√
2
+
√
3
−
√
5
Q.
With the rational denominator, the expression
√
2
√
2
+
√
3
−
√
5
is equivalent to:
Q.
Express
-
48
60
as a rational number with denominator 5.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Identities for Irrational Numbers
MATHEMATICS
Watch in App
Explore more
Rationalisation
Standard IX Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app