4X的4次方加1因式分解怎么分解

2024-11-19 23:41:41
推荐回答(1个)
回答1:

4x⁴+1
=4x⁴+4x²+1-4x²
=(2x²+1)²-(2x)²
=(2x²+2x+1)(2x²-2x+1)