2. Let A be the standard matrix of the linear transformation which rotates every vector in R² counter-clockwise through an angle of 7/3 (radians), and B be the standard matrix of the linear transformation which reflects every vector in R2 through the ₁-axis. (i) Find A and B. (ii) Find the standard matrix of the composition of these two linear transformations by applying A first and then B. (iii) Find the standard matrix of the composition of these two linear transformations by applying B first and then A.

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