factorise x raise power4 -1
Answers
Answered by
0
Answer:
We write it as (x
2
)
2
−1
2
. Hence
x
4
−1=(x
2
)
2
−1
2
=(x
2
−1)(x
2
+1)
Here (x
2
)
−1=(x
−1)(x
+1). Thus
x
4
−1=(x
2
)
2
−1
2
=(x
2
−1)(x
2
+1)=(x−1)(x+1)(x
2
+1)
Similar questions