AP EAMCET Engineering 2018 Apr 23 Shift 1 Paper

Section: Mathematics

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Question : 31 of 160

Marks: +1, -0

If

−

a

,

−

b

,

−

c

are unit vectors and the maximum value of |

−

a

−

−

b

|2 + |

−

b

−

−

c

|2 + |

−

c

−

−

a

|2 is k , then k (2

−

a

2+3

−

b

2−4

−

c

2) =

6
8
9
12

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