Question

Calcule :
a)-  (4a+y³)² =

Answer 1

$\boxed{\boxed{(4a+y^3)^2 = 16a^2+8ay^3+y^6}}$


$\boxed{\boxed{(4a+y^3)^2 = (4a+y^3)(4a+y^3)=16a^2+4ay^3+4ay^3+y^6=16a^2+8ay^3+y^6}}$

Answer 2

(4a+y³)(4a+y³)
16a²+4ay³+4ay³+y elevado a 9
16a²+8ay³+y elevado a 9