if a+b=4; ab=-12, find (i)a-b (ii)a2-b2 Share with your friends Share 0 Prince Babu Singh answered this 1 View Full Answer Kamakshi answered this a2- b2= (a+b) (a-b) -1 Mehul Srivastava answered this plz, send the complete answer as I am in need of it. 1
