TS EAMCET 14-Sep-2020 Shift 2 Solved Paper

Section: Mathematics

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Question : 31 of 160

Marks: +1, -0

Let

−

a

,

−

b

,

−

c

be three vectors such that the magnitude of

−

b

is twice that of

−

a

and magnitude of

−

c

is three times that of

−

a

. If the angle between each pair of vectors is

π

3

and |

−

a

+

−

b

+

−

c

|=5

6
12
√2
3

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