factorise -
a) ( 2a + b ) ² - (2a - b )
b) m⁴ - ( m - n ) ⁴.
Answers
Answered by
0
Answer:
b)
[m² + (m - n)² ] [ m² - ( m - n )² ]
(m² + m² - 2mn + n² ) (m² - m² + 2mn - n² )
Similar questions