(a) Find an equation of the tangent plane to the surface at the given point. z = x² - y², (3, 2, 5) (b) Find a set of symmetric equations for the normal line to the surface at the given point. x + 3 6 y + 2 z +5 -4 -1 = y Z 02-2014 - 31/1200 = = -1 Ox 3 = y2=Z-5

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