[tex]\frac{mx^{2}-(m-1)x+1}{x^{2}-(m+1)x + 1}\\\\\\Licznik:\\\\a = m, \ \ b =-(m-1), \ \ c = 1\\\\\Delta =b^{2}-4ac = [-(m-1)]^{2}-4\cdot m\cdot1 =(m-1)^{2}-4\cdot m\cdot 1 = \\\\=m^{2}-2m+1^{2}-4m =m^{2}-2m+1 -4m = \underline{m^{2}-6m+1}[/tex]
[tex]Mianownik:\\\\x^{2}-(m+1)x+1\\\\a = 1, \ \ b = -(m+1), \ \ c = 1\\\\\Delta = b^{2}-4ac = [-(m+1)]}^{2}-4\cdot1\cdot1 =(m+1)^{2}-4\cdot1\cdot1 = m^{2}+2m+1^{2} -4 =\\\\=m^{2}+2m+1-4 = \underline{m^{2}+2m-3}[/tex]
