UPSC NDA Math Model Paper 8

© examsiri.com
Question : 28 of 120
 
Marks: +1, -0
If
→
a
,
→
b
,
→
c
are mutually perpendicular vectors of equal magnitude, then the angle between
→
a
+
→
b
+
→
c
and
→
a
is
Go to Question: