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Byju's Answer
Standard VII
Mathematics
Expression Formation
1/√16 + 6√7 +...
Question
1
√
16
+
6
√
7
+
1
√
20
+
6
√
11
+
1
√
24
+
2
√
143
+
.
.
.
.
.
.
.
+
1
√
96
+
14
√
47
equals
1
√
16
+
6
√
7
+
1
√
20
+
6
√
11
+
1
√
24
+
2
√
143
+
.
.
.
.
.
.
.
+
1
√
96
+
14
√
47
बराबर है
A
√
3
(
√
17
−
√
3
)
2
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B
√
7
(
√
7
−
1
)
2
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C
√
11
(
√
17
−
√
11
)
2
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D
√
11
(
√
11
−
1
)
2
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Solution
The correct option is
B
√
7
(
√
7
−
1
)
2
Solution
Suggest Corrections
0
Similar questions
Q.
Among
1
12
,
1
15
and
1
17
,
is the greatest fraction
Q.
Assertion :
Δ
=
∣
∣ ∣ ∣ ∣ ∣ ∣
∣
(
1
+
a
1
b
1
)
(
1
+
a
2
1
b
2
1
−
a
1
b
1
)
1
+
a
1
b
1
(
1
+
a
1
b
2
)
(
1
+
a
2
1
b
2
2
−
a
1
b
2
)
1
+
a
1
b
2
(
1
+
a
1
b
3
)
(
1
+
a
2
1
b
2
3
−
a
1
b
3
)
1
+
a
1
b
3
(
1
+
a
2
b
1
)
(
1
+
a
2
2
b
2
1
−
a
2
b
1
)
1
+
a
2
b
1
(
1
+
a
2
b
2
)
(
1
+
a
2
2
b
2
2
−
a
2
b
2
)
1
+
a
2
b
2
(
1
+
a
2
b
3
)
(
1
+
a
2
2
b
2
3
−
a
2
b
3
)
1
+
a
2
b
3
(
1
+
a
3
b
1
)
(
1
+
a
2
3
b
2
1
−
a
3
b
1
)
1
+
a
3
b
1
(
1
+
a
3
b
2
)
(
1
+
a
2
2
b
2
2
−
a
3
b
2
)
1
+
a
3
b
2
(
1
+
a
3
b
3
)
(
1
+
a
2
3
b
2
3
−
a
3
b
3
)
1
+
a
3
b
3
∣
∣ ∣ ∣ ∣ ∣ ∣
∣
Δ
=
0
Reason:
Δ
can be written as product of two determinants.
Q.
Consider the sequence
a
n
given by
a
1
=
1
2
,
a
n
+
1
=
a
2
n
+
a
n
Let
S
n
=
1
a
1
+
1
+
1
a
2
+
1
+
.
.
.
.
.
.
.
.
.
.
.
+
1
a
n
+
1
then find the value of
[
S
2012
]
, where [.] denotes greatest integer function.
Q.
The value of
(
(
log
2
9
)
2
)
1
log
2
(
log
2
9
)
⋅
(
√
7
)
1
log
4
7
is
Q.
If P and Q are respected by the complex numbers
z
1
and
z
2
such that
|
1
z
1
+
1
z
2
|
=
|
1
z
1
−
1
z
2
|
then the circumcentre of
Δ
O
P
Q
(where O is the origin ) is
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