Maths-
General
Easy

Question

If u equals l o g invisible function application open parentheses x to the power of 3 end exponent plus y to the power of 3 end exponent plus z to the power of 3 end exponent minus 3 x y z close parentheses then sum x fraction numerator partial differential u over denominator partial differential x end fraction equals

  1. 1    
  2. 2    
  3. 3    
  4. 4    

The correct answer is: 3

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