lim x = tak hinnga (x+2 - akar x2-2x +6 itu gimana ya?/ tolong dong

lim x=≈         x+2 -√x^2-2x+6
akar di hilangkan
x+2-√x^2-2x+6 . x+2+√x^2-2x+6/x+2+√X^2-2x+6

x^2+4x+4 - x^2-2x+6 / x+2-√x^2-2x+6  /√x^2

2/2=1

=1/1 x 2.1/1 = 2/1 = 2