Find the maximum value of f(x1,2,,xn) = (x₁ - x₂ ... n)¹/" where x₁,..., In are positive numbers and x₁ + x2 + ... + n = c where c is a positive constant.

Find the partial derivatives W = Əw Әх aw ду х2 +y2 x2 - y2 4xy² (x² - 1²) ² 4xy2 (₁²-1²)² X Əw dw 7 Әх ду

please solve the part b,c,d,e

Find all the second-order partial derivatives of the function f(x,y) = 2x² +7y+ 6x?y. = 4 + 12y 12x дудх Enter your answer in the answer box and then click Check Answer.