Question

expand (2 X + y )^3using identity​

Answer 1

Answer:

Identity - (x+y)^3 = x^3 + y^3 +3x^2y + 3xy^2

(2x+y)^3 = (2x)^3 + (y)^3 + 3×(2x)^2× y +3×(2x)× y^2

= 8x^3 +y^3 + 12x^2y + 6xy^2Ans

Hope you understand!