Find the limit. lim x → 1+ x^3/1-x What must be done to put the given expression in a form to which l'Hôpital's rule can be directly applied? A. Nothing, the given expression already has the indeterminate form 0 0 . B. Nothing, the given expression already has the indeterminate form 0⋅∞. C. The expression must be rewritten by taking the natural logarithm. D. Nothing, the given expression already has the indeterminate form ∞/∞. Find the limit. lim x → 1+ x^3/1-x (Type an exact answer.)