Nilai lim (akar (x-3)pangkat2 - x+2) adlh.. x -> tak terhingga

√(x-3)²-x+2.√(x-3)²+x+2/√(x-3)²+x+2
=(x-3)²-(x²+4x+4)/x-3+x+2
=x²-6x+9-x²-4x-4/2x-1
=-10x+5/2x-1
lim x->tak hingga =-10/2=-5