Question

factorise:x^2 (xy)^4-(yz)^4 z^2​

Answer 1

Answer:

x

4

−(x−z)

4

=(x

2

)

2

−{(x−z)

2

}

2

=(x

2

+(x−z)

2

)(x

2

−(x−z)

2

)

2

=(x

2

+x

2

−2xz+z

2

)(x+x−z)(x−x+z)

=(2x

2

−2xz+z

2

)(2x−z)(z)