COnsider the following statements and identify the correct options (i) `lim_(x->4) ((2x)/(x-4)-8/(x-4))=lim_(x->4) (2x)/(x-4) -lim_(x->4) 8/(x-4)` (ii) `lim_(x->1)(x^2+6x-7)/(x^2+5x-6)=(lim_(x->1)(x^2+6x-7))/(lim_(x->1)(x^2+5x-6))`