Please tell the 12th question solution 12. a + b a - b - a - b a + b Share with your friends Share 0 Brijendra Pal answered this Hi, a+ba-b-a-ba+b= a+b2-a-b2a+ba-b =a2+b2+2ab-a2-b2+2aba2-b2 Since a±b2 =a2+b2±2aband a2-b2= a+ba-b=4aba2-b2 0 View Full Answer
