Answer:
Q.5
Step-by-step explanation:
(2x)^3+3×(2x)^2×3y+3×2x×(3y)^2+(3y)^3
8x^3+3×4x^2 × 3y + 3×2x×9y^2 + 27y^3
8x^3 + 36x^2 × y + 54xy^2 + 27y^3
