factorise x^4 (x-z)^4
Answers
Answered by
0
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)
Similar questions