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Byju's Answer
Standard IX
Mathematics
Operations on Rational and Irrational Numbers
1+√71-√7+1-√7...
Question
1
+
√
7
1
−
√
7
+
1
−
√
7
1
+
√
7
Open in App
Solution
1
+
√
7
1
−
√
7
+
1
−
√
7
1
+
√
7
(
1
+
√
7
)
2
+
(
1
−
√
7
)
2
1
−
7
1
+
7
+
2
√
7
+
1
+
7
−
2
√
7
−
6
16
−
6
=
−
8
3
Suggest Corrections
2
Similar questions
Q.
Solve
√
7
−
1
√
7
+
1
−
√
7
+
1
√
7
−
1
=
a
+
b
√
7
Q.
Factorise
98
(
a
+
b
)
2
−
2
Q.
If
√
7
−
1
√
7
+
1
+
√
7
+
1
√
7
−
1
=
a
+
b
√
7
, find the values of a and b.
Q.
If
√
7
−
1
√
7
+
1
−
√
7
+
1
√
7
−
1
=
a
+
b
√
7
, then find the value of
a
and
b
.
Q.
In the following series of numbers, how many 1, 3, 7 have appeared together. 7 being in middle and 1, 3 on either side of ?
2 9 7 3 1 7 3 7 7 1 3 3 1 7 3 8 5 7 1 3 7 7 1 7 3 9 0 6
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