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The tangent plane equation of the level surface z = -x? - 3y? at point (2,2,-16) is. O a. -4x+12y+2z-16 O b. 8x+6y+z=16 O

The tangent plane equation of the level surface z = -x? - 3y? at point (2,2,-16) is. O a. -4x+12y+2z-16 O b. 8x+6y+z=16 O c. Ax-12y z=16 O d. 4x1 12y1z=8 e. 4x1 12yz=16

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