Question: Find the closest point or points to b = (1, 2) T that lie on (a) The x-axis, (b) The y-axis, (c) The line y

Find the closest point or points to b = (−1, 2)T that lie on

(a) The x-axis,

(b) The y-axis,

(c) The line y = x,

(d) The line x + y = 0,

(e) The line 2x + y = 0.

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