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Byju's Answer
Standard IX
Mathematics
Algebraic Identities
Rationalize: ...
Question
Rationalize:
√
5
2
√
5
−
1
Answer:
10
+
√
5
19
State true or false.
A
True
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B
False
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Solution
The correct option is
A
True
M
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t
i
p
l
y
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g
a
n
d
d
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v
i
d
i
n
g
b
y
2
√
5
+
1
:
√
2
(
2
√
5
+
1
)
/
(
20
−
1
)
=
(
√
5
+
10
)
/
19
Suggest Corrections
0
Similar questions
Q.
State whether the equality is true or false:
2
√
5
+
3
√
2
2
√
5
−
3
√
2
=
19
+
6
√
10
Q.
State True or False.
The five rational numbers between
3
5
and
4
5
are
19
30
,
20
30
,
21
30
,
22
30
,
23
30
.
Q.
State the following statement is True or False
(
1
+
√
5
)
−
(
4
+
√
5
)
is a rational number.
Q.
State TRUE or FALSE
(
2
+
√
2
)
(
3
−
√
5
)
(
3
+
√
5
)
(
2
−
√
2
)
is Rational.
Q.
State TRUE or FALSE
(
27
−
3
9
−
3
)
1
5
, then answer is
1
3
3
5
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