4x^4y^4-1/2xy 因式分解

问题描述:

4x^4y^4-1/2xy 因式分解

4x^4y^4-1/2xy
=1/2xy(8x³y³-1)
=1/2xy[(2xy)³-1]
=1/2xy(2xy-1)(4x²y²+2xy+1)