Limit x mendekati 4 x - 3 dibagi √x+1 - 3

lim [x-->4] (x - 3)/(√(x + 1) - 3)
= lim [x-->4] (x - 3)(√(x + 1) + 3) / ((x + 1) - 3²)
= lim [x-->4] (x - 3)(√(x + 1) + 3) / (x - 8)
= (4 - 3)(√(4 + 1) + 3) / (4 - 8)
= -(√5 + 3)/2