(x²+1)²-1因式分解
问题描述:
(x²+1)²-1因式分解
答
原式=X^4+1+2X^2-1
=(X^2+1)^2-1
(x²+1)²-1因式分解
原式=X^4+1+2X^2-1
=(X^2+1)^2-1