m4 - 18m2n2 + 81n4 factorise
Answers
Answered by
4
see the attachment
hope it helps you
FOLLOW ME
Attachments:
Answered by
33
AnswEr :
➟ m⁴ - 18m²n² + 81n⁴
➟ (m²)² - 2 × m² × 9n² + (9n²)²
▣ (a - b)² = a² - 2ab + b²
➟ (m² - 9n²)²
Similar questions