NDA Math Vector Algebra

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Question : 89 of 101

Marks: +1, -0

If |

→

a

+

→

b

|=|

→

a

−

→

b

|,then which one of the following is correct ?

[NDA II 2014]

|
→
a
|=|
→
b
|
→
a
is parallel to
→
b
→
a
is perpendicular to
→
b
→
a
is unit vector

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