Question

(4x+2y)³ using identities​

Answer 1

Answer:

using identity : (a+b)² = a²+b²+2ab , we get-

(4x+2y)²

= 16x²+4y²+8xy

Step-by-step explanation:

hope it helps u

Answer 2

$(x + y)3 = x3 + y3 + 3x2y + 3xy2$

(4)3 +(2)3 +3×(4)2×2 + 3×4×(2)2

64+8+96+48

=216