Question

find ab if a(a,b) and b(-a,-b)​

Answer 1

Answer:

If you can't understand then please see the picture dear same it is

formula of

a^2-b^2

Step-by-step explanation:

A(a,b)and B(-a,-b)

(a+b)×(-a-b)

- {a}^{2} - ab - ab - {b}^{2}−a

2

−ab−ab−b

2

- {a}^{2} - {b }^{2} - 2ab−a

2

−b

2

−2ab

we can write it also in the form of

{a}^{2} + {b}^{2} - 2aba

2

+b

2

−2ab