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NEET Exam Model Paper 14

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Question : 1 of 180
 
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If
→
a
1 and
→
a
2 are two non collinear unit vectors and if |
→
a
1+
→
a
2|=√3,then the value of (
→
a
1−
→
a
2).(2
→
a
1+
→
a
2) is
Validate
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