UPSC NDA II 2018 Mathematics Solved Paper

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Question : 66 of 120
 
Marks: +1, -0
If |
→
a
|
=3
,
|
→
b
|=4
and |
→
a
−
→
b
|
=5
,then what is the value of |
→
a
+
→
b
|
?
[NDA II 2018]
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