Hi I was wondering if someone could help me with this limit problem:
Find the lim x->a-, lim x->a+ and lim x->a
for the f(x)=(x^2-16)/(squareroot(x^2-8x+16)) a=4
I've tried to simplify the problem but after that i dont know wut to do =(
This is wut I've done:
any help would be appreciated.