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UPSC NDA II 2015 Mathematics Solved Paper

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Question : 66 of 120
 
Marks: +1, -0
Consider the following inequalities in respect of vectors
→
a
 and
→
b
:
1. |
→
a
+
→
b
|≤|
→
a
|+|
→
b
|
2. |
→
a
−
→
b
|≥|
→
a
|−|
→
b
|
which of the above is/are correct ?
[NDA II 2015]
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