AP EAPCET 25-Aug-2021 Shift 1 Paper

Section: Mathematics
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Question : 2 of 160
 
Marks: +1, -0
Let A be the set of all 3×3 scalar matrices with real entries. If f:A→R is defined by f(m)= det(m) ‌∀m∈A, then ′f ' is ______
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