Factorise using identities. ⁴ + 8a²b² + 16b⁴ - 121
Answers
Answered by
3
Answer:
ANSWER
81x
4
−121x
2
=x
2
(81x
2
−121)=x
2
((9x)
2
−(11)
2
)=x
2
(9x+11)(9x−11)
Similar questions