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Standard IX
Mathematics
Question
Find the values of 'a' in each of the following :
If
√
7
−
2
√
7
+
2
=
a
√
7
+
b
, then
a
=
−
m
3
where m is
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Solution
Verified by Toppr
W
e
r
a
t
i
o
n
a
l
i
z
e
t
h
e
d
e
n
o
m
i
n
a
t
o
r
,
√
7
−
2
√
7
+
2
∗
√
7
−
2
√
7
−
2
=
4
+
7
−
4
√
7
7
−
4
=
11
−
4
√
7
3
⟹
b
=
11
/
3
,
a
=
−
4
/
3
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Similar Questions
Q1
Find the values of 'a' in each of the following :
If
√
7
−
2
√
7
+
2
=
a
√
7
+
b
, then
a
=
−
m
3
where m is
View Solution
Q2
Find the value of 'a' in
5
+
3
√
2
5
−
3
√
2
=
a
+
b
√
2
, then
a
=
m
7
where m is rational number.
View Solution
Q3
The value of
√
7
+
2
√
7
−
2
+
√
7
−
2
√
7
+
2
is
8
√
7
m
, then the value of
m
is ?
View Solution
Q4
If
3
a
+
7
b
3
a
-
7
b
=
4
3
then find the value of the ratio
3
a
2
-
7
b
2
3
a
2
+
7
b
2
View Solution
Q5
If
3
a
+
7
b
3
a
−
7
b
=
4
3
then find the value of
3
a
2
−
7
b
2
3
a
2
+
7
b
2
View Solution