[最も選択された] x(x y)^3-3x^2y(x y) 329547 Chinh Doan

Answer (1 of 5) The way it is given to you, it is almost obvious that it is (3xy)x² (3xy)2xy (3xy)y² = (3xy)(x²2xyy²) = (3xy)(xy)² However, ...

(x y 2)^3 expand 265073-Expand the binomial (x^2-y^2)^3 Chinh Doan

Follow Report by Dayana3 Log in to add a comment Answers⋅(x)3−k ⋅(−y)k ∑ k = 0 3 ⁡1 Here is a naive approach to get the main term using only...