Question

Expand using Formala (4x+1/2y)2​

Answer 1

( 4x + 1 / 2y ) 2

solution

( 4x × 2y / 2y + 1 / 2y ) × 2

4x × 2y + 1 / 2y × 2

8xy + 1 / 2y × 2

( 8xy + 1 ) × 2 / 2y

8xy + 1 / y