AP EAPCET 17th May 2023 Shift 1 Solved Paper

Section: Mathematics
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Question : 29 of 160
 
Marks: +1, -0
Let a,b and c be any three non coplanar vectors. If m,n are scalars such that a+b=md−c and b+c=na−d, then 3a+2b+2c+d=
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