NDA Math Vector Algebra

© examsiri.com
Question : 92 of 101
 
Marks: +1, -0
What is the interior acute angle of the parallelogram whose sides are represented by the vectors
1
√2
∧
i
+
1
√2
∧
j
+
∧
k
and
1
√2
∧
i
−
1
√2
∧
j
+
∧
k
?
[NDA II 2014]
Go to Question: