AP and TS EAMCET Engineering Model Paper 6

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Question : 8 of 160

Marks: +1, -0

a is a perpendicular to b,c. If |a|=2,|b|=3,|c|=4,(b,c)=

2Π

3

then |[a‌‌b‌‌c]|=

12√3
12
6√3
6

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