Question

find zero of s²-5s +4​

Answer 1

Answer:

1,4

Step-by-step explanation:

s^2 -4s-s+4

s(s-4)-1(s-4)

(take s common from s^2 and 4s and also take 1 common from s and 4)

(s-1) (s-4)

So zeroes are:

s-1=0 => s=1

s-4=0 => s=4