AP and TS EAMCET Engineering Model Paper 2

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Question : 8 of 160

Marks: +1, -0

If

−

a

−

b

=0 and

−

a

+

−

b

makes an angle of 30° with

−

a

, then

|
−
b
|=2|
−
a
|
|
−
a
|=2|
−
b
|
|
−
a
|=√3|
−
b
|
|
−
a
|=|
−
b
|

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