Question

slove (a+b)² -(a-b)²​

Answer 1

Answer:

4ab

Step-by-step explanation:

( a + b ) ^2 - ( a - b)^2

= a^2 + 2ab + b^2 -( a^2 - 2ab + b^2)

= a^2 + 2ab + b^2 - a^2 + 2ab - b^2

= 4ab