Find the equation for (a) the tangent plane and (b) the normal line at the point Po(2,0,2) on the surface 2z - x² = 0. (a) Using a coefficient of 2 for x, the equation for the tangent plane is (b) Find the equations for the normal line. Let x = 2 - 4t. =0, y=0, (Type expressions using t as the variable.) X = Z=

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