Question

verify the identity a²-b²=(a+b)(a-b)​

Answer 1

Samita1 Expert

To prove:- a² - b² = (a+b)(a-b)

proof:- On Taking RHS  

=> (a+b)(a-b) = a(a-b) +b(a-b)

=> a² - ab +ab - b²

=> a²- b²  

LHS = RHS  

hence proved.