[無料ダウンロード！ √] (x-y)^3=x^3-y^3-3xy(x-y) 230839-(x+y)^3=x^3+y^3+3xy(x+y)

U = x log xy x 3 y 3 3xy = 1 By using total differentiation concept, \(du = \left( {\frac{{\partial u}}{{\partial x}}} \right)dx \left( {\frac{{\partial uEasy as pi (e) Unlock StepbyStep Natural Language Math InputFirst, differentiate with respect to x (use the Product Rule for the xy 2 term)

Tinkutara Equation Editor Math Forum Question

(x+y)^3=x^3+y^3+3xy(x+y)