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NDA Math Vector Algebra

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Question : 16 of 101
 
Marks: +1, -0
Let
→
a
,
→
b
 and
→
c
 be three vectors such that
→
a
,
→
b
 and
→
c
 are coplanar. Which of the following is/are correct?
1. (
→
a
×
→
b
)×
→
c
 is coplanar with
→
a
 and
→
b

2. (
→
a
×
→
b
)×
→
c
 is perpendicular to
→
a
×
→
b

Select the correct answer using the code given below.
[NDA-II 2021]
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