brazil-enem 2015 Q156

brazil-enem · Other · enem__day2 Matrices Determinant and Rank Computation

QUESTION 156
The matrix $A = \begin{pmatrix} 2 & 1 \\ 3 & 4 \end{pmatrix}$ has determinant
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6

QUESTION 156

The matrix $A = \begin{pmatrix} 2 & 1 \\ 3 & 4 \end{pmatrix}$ has determinant

(A) 2

(B) 3

(C) 4

(D) 5

(E) 6