Question

(x+y)^3-(x-y) ^3 can be factorise as​

Answer 1

Answer:

Step-by-step explanation:

IT IS OF THE IDENTITY A^3 - B^3 = (A-B)(A^2 +B^2 +AB)

A=X+Y AND B=X-Y

(X+Y-X+Y)(X^2 + Y^2 +2XY + X^2 +Y^2 -2XY + X^2 -Y^2)

(2Y)(3X^2 + 2Y^2)

6X^2Y + 4Y^3