Question

Find the value of K such that

lim ((4x^2+Kx-8)/(x^2-3x+2))
x-->2
exist and find the limit! (thanks for any help)

Answer 1

L'hopitals rule states that there exists a limit if you get the determinate form 0/0 so if you make the top = 0 then you can use l'hopitals and it exists

Answer 2

therefore k=-4

Answer 3

ok i see let me try

Answer 4

is the answer lim = 12?

Answer 5

yes