Back to Practicehard • Past Paper

Factorize m^4 - 11m^2n^2 + n^4.

A(m^2+3mn-n^2)(m^2-3mn-n^2)

B(m^2+mn+n^2)(m^2-mn+n^2)

C(m^2-n^2)^2

D(m^2+n^2)^2-11m^2n^2