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Symbiosis National Aptitude Test SNAP 2019 Paper
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© examsnet.com
Question : 68
Total: 110
Given
(
√
x
+
4
+
√
x
−
10
)
2
(
x
+
4
)
−
(
x
−
10
)
=
5
2
, find the value of x
264
20
263
20
265
20
266
20
Validate
Solution:
(
√
x
+
4
+
√
x
−
10
)
2
(
x
+
4
)
−
(
x
−
10
)
=
5
2
or
(
x
+
4
)
+
(
x
−
10
)
+
2
√
x
2
−
6
x
−
40
14
=
5
2
or
3
x
+
2
√
x
2
−
6
x
−
40
= 35 + 6
or (2x - 41) =
−
2
√
x
2
−
6
x
−
40
or
(
2
x
−
41
)
2
= 4(
x
2
- 6x - 40)
or
4
x
2
+1681-164x =
4
x
2
- 24x -160
or 140x = 1841 or x =
263
20
© examsnet.com
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