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UPSC 2017 CDS I Math Paper
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© examsnet.com
Question : 5
Total: 100
What is the square root of
(
0.35
)
2
+
0.70
+
1
2.25
+
0.19
?
[2017 CDS-I]
1
2
3
4
Validate
Solution:
√
(
0.35
)
2
+
0.70
+
1
2.25
+
0.19
√
(
0.35
)
2
+
2
×
0.35
×
1
+
1
2
2.25
+
0.19
√
(
0.35
+
1
)
2
2.25
+
0.19
√
(
1.35
1.5
)
2
+
0.19
=
√
(
0.9
)
2
+
0.19
=
√
0.81
+
0.19
=
1
© examsnet.com
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