Question

lim h->0, sqrt(h^2+4h+5)-sqrt(5)/h, i knw im messing up on the algebra, i get to h(h+4)/h sqrt(h^2+4h+5)+sqrt(5), then im stuck, am i way off, someone help!

Answer 1

h/h = 1 so they cancel

Answer 2

and then when h=0 nothings bad

Answer 3

the answer is 2/sqrt(5) i'mm not getting that answer unfortunately

Answer 4

post the question so we can see it clearly