If the quadratic equation x2−8x+12=0x^2 - 8x + 12 = 0x2−8x+12=0 has roots rrr and sss, what is the value of 1r+1s\frac{1}{r} + \frac{1}{s}r1+s1?
23\frac{2}{3}32
32\frac{3}{2}23
128\frac{12}{8}812
812\frac{8}{12}128