(a) What equation describes every vector w (w1, w2) that is perpendicular to v = (2, 2)? Wi + W2 = Geometrically, this is Choose in two dimensions. (b) All vectors perpendicular to V = (1, 2, 1) lie on Choose in three dimensions. (b) All vectors perpendicular to (1, 2, 1) and (2, 2, 1) lie on Choose in three dimensions.

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