Question

4s2-4s+1 factories and verify it​

Answer 1

here is Ur answer in the attachment .

hope helps uh mate

Answer 2

4s^2-4s+1

=(2s) ^2-2*2s1+1^2

=(2s-1)^2

=(2s-1)(2s-1)

Therefore

s=1/2

4s^2-4s+1

=4*(1/2)^2-4*1/2+1

=4*1/4-2+1

1-2+1

=0

Verified