TS EAMCET 5-Aug-2021 Shift 2 Question Paper

Section: Mathematics

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Question : 34 of 160

Marks: +1, -0

Let

−

a

,

−

b

,

−

c

be unit vectors such that 2

−

a

+3

−

b

+4

−

c

=

−

0

. Then |

−

b

×

−

c

| =

√15
8
√15
16
√15
4
√15
2

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