Please answer the following question correctly Q.1. What must be subtracted from a 2 + b + 1 to obtain a 2 - b ? Share with your friends Share 0 Shruti Tyagi answered this Dear student, Lat A be subtracted from a2+b+1 to obtain a2-bAcc. to question, a2+b+1-A=a2-b⇒a2+b+1-a2+b=A⇒2b+1=AThus 2b+1 be subtracted from a2+b+1 to obtain a2-b Regards 0 View Full Answer