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Byju's Answer
Standard XII
Mathematics
Algebra of Complex Numbers
The value of ...
Question
The value of
√
7
+
2
√
7
−
2
+
√
7
−
2
√
7
+
2
is
8
√
7
m
, then the value of
m
is ?
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Solution
√
7
+
2
√
7
−
2
+
√
7
−
2
√
7
+
2
=
(
√
7
+
2
)
(
√
7
+
2
)
+
(
√
7
−
2
)
(
√
7
−
2
)
(
√
7
+
2
)
(
√
7
−
2
)
=
8
√
7
3
on comparing
8
√
7
m
by our answer we get
m
=
3
Suggest Corrections
0
Similar questions
Q.
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
Q.
If
y
=
√
√
7
+
7
+
√
8
+
2
√
7
−
√
7
, t
hen find the value of
y
.
Q.
If
y
=
√
√
7
+
7
+
√
8
+
2
√
7
−
√
7
, t
hen the value of y will be:
Q.
If y =
√
(
√
7
)
+
7
+
√
(
8
+
2
√
7
)
)
−
√
7
then find the value of y.
Q.
What is the value of
(
3
√
8
+
2
√
7
)
×
(
3
√
8
−
2
√
7
)
?
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