Question

How can We prove that a2-b2=(a+b)(a-b)

Answer 1

Answer:

Step-by-step explanation:

1) square whose side is a

3) remove a square whose area is b^2

that figure shows a^2-b^2

4) cut dotted portion as shown in 4th figure

5) flip the below portion

u will get rectangle

whose area is (a+b)(a-b)