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Find the maximum and minimum values of the function f(x,y,z)=3x−y−3 subject to the constraints x^2+2z^2=324 and...

Find the maximum and minimum values of the function f(x,y,z)=3x−y−3 subject to the constraints x^2+2z^2=324 and x+y−z=−6 . Maximum value is , occuring at ( , , ). Minimum value is , occuring at ( , , ).

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