Question

(a + b)² – (a - b)²​

Answer 1

Answer:

4ab is the answer

Please mark as a brainliest

Answer 2

Answer:

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

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

so,a^2+2ab+b^2 +a^2 -2ab+b^2

in this 2ab and -2ab get cancelled .

a^2+a^2+b^2+b^2=

2a^2+2b^2

Hope it will help you