因式分解a2b2-a2-b2+1=
问题描述:
因式分解a2b2-a2-b2+1=
答
a2b2-a2-b2+1 =a2(b2-1)-(b2-1) =(a2-1)(b2-1) =(a+1)(a-1)(b+1)(b-1)
因式分解a2b2-a2-b2+1=
a2b2-a2-b2+1 =a2(b2-1)-(b2-1) =(a2-1)(b2-1) =(a+1)(a-1)(b+1)(b-1)