Question

factorize......
plz answer guys tomorrow is my exam​

Answer 1

Step-by-step explanation:

i)

=n^2-y^2-4nz+4z^2

=(n+y)(n-y)-4z(n+z)

=n((1+y)(1-y)-4z(1+z))

ii)n^4+n^2y^+2y^4

==a^2+2ab+b^2

=(n^2)^2+2n^2y^2+(y^2)^2

=n2y22

=(n^2+y^2)(n^2+y^2)

second question is wrong.