AP and TS EAMCET Engineering Model Paper 12

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Question : 11 of 160
 
Marks: +1, -0
Let
→
a
‌&
‌
→
b
be unit vectors such that |
→
a
+
→
b
|
=√3
,
then the value of (2
→
a
+5
→
b
)
.(3
→
a
+
→
b
+
→
a
×
→
b
)
is equal to
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