Question: Find a unit vector that is normal to the surface4^2-x^4-2y^4=46 at P=(2,1,4) that points in the direction of thexy-plane. (in other words, if you travel

Find a unit vector that is normal to the surface4^2-x^4-2y^4=46 at P=(2,1,4) that points in the direction of thexy-plane.

(in other words, if you travel in the direction ofn,you will eventually cross thexy-plane).

(Use symbolic notation and fractions where needed.)

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