NDA Math Vector Algebra

© examsiri.com
Question : 13 of 101
 
Marks: +1, -0
Let
→
a
,
→
b
and
→
c
be unit vectors such that
→
a
×
→
b
is perpendicular to
→
c
. If θ is the angle between
→
a
and
→
b
, then which of the following is/are correct?
1.
→
a
×
→
b
=sin‌θ‌
→
c

2.
→
a
â‹…(
→
b
×
→
c
)
=0

Select the correct answer using the code given below.
[NDA-II 2021]
Go to Question: