AP EAPCET 25-Aug-2021 Shift 1 Paper

Section: Mathematics
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Question : 34 of 160
 
Marks: +1, -0
Consider the vectors
u=ai+bj+ck,v=a2i+b2j+c2k, w=a3i+b3j+c3k. These vectors are coplanar if and only if
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