Question: (10 pts) Task 3: An overdetermined system Ax=b is a linear system of equations that has more equations than unknown variables. However, there is in

(10 pts) Task 3: An overdetermined system Ax=b is a linear system of equations that has more equations than unknown variables. However, there is in general no exact solution to an overdetermined system. Instead, we look for the least-squares solution x with the smallest 2 norm error such that Axb2. The following presents an overdetermined system, 1 c+2d=1c+23d=2c+4d=1 Please find its least squares solution [cd]. (Hint: Slide 42 and Slide 47 of Topic 3.3)

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