Welll thank you sir :)
Yes we used the hospital rule and well i did some shortcuts at both of them but the book solution it doesn't coincides with my solution.
well i went till here to both of them
lim (x-> 1) sqrt (x+3) - 2 /4x - 4 = §
lim (x->1) [sqrt( (x+3) -2] * [sqrt( (x+3) +2]/ (4x-4)...