m = 2, n = 1
3m2−2n2m2 _ mn\;\frac{3m^2-2n^2}{m^2\;\_\;mn}m2_mn3m2−2n2
= 3(2)2−2(1)222+2(1)\;\frac{3(2)^2-2(1)^2}{2^2+2(1)}22+2(1)3(2)2−2(1)2
= 12−24+2= 106\;\frac{12-2}{4+2} = \;\frac{10}{6}4+212−2=610
= 53\;\frac{5}{3}35
