Question: Consider the question in the image given. 1. Let 2 _ A (7 4 ) . (a) Find an invertible matrix Q E M2 (11%.),

Consider the question in the image given.

1. Let 2 _ A (7 4 ) . (a) Find an invertible matrix Q E M2 (11%.), a positive real number s, and a rotation matrix R such that Q'IAQ = 3R. (1)) What is the angle of rotation of R, measured anticlockwise

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