CGPET 2015 Solved Paper

Section: Mathematics
© examsiri.com
Question : 117 of 150
 
Marks: +1, -0
If a=‌
∧
i
−2
∧
j
√5
and b=‌2
∧
i
+
∧
j
+3
∧
k
√14
are vectors in space, then the value of (2a+b)⋅[(a×b)×(a−2b)] is
Go to Question: