1. The problem statement, all variables and given/known data limx->4 (sqrt(5-x)-1) / (2-sqrt(x)) NOT ALLOWED TO USE L'HOSPITALS. 2. Relevant equations 3. The attempt at a solution I tried using conjugate of both top and bottom and I couldn't get it to work, but maybe I've done it wrong?.. I'm not allowed to use L'Hospital's rules so how can I solve this?