Use (a) Fixed-point iteration and (b) The Newton-rapshon method to determine a root of A? (x) = - x2 + 1.8x + 2.5 using x0 = 5. Perform the computation until ea is less than es = 0.05%. Also perform...

Use
(a) Fixed-point iteration and
(b) The Newton-rapshon method to determine a root of A? (x) = - x2 + 1.8x + 2.5 using x0 = 5. Perform the computation until ea is less than es = 0.05%. Also perform an error check of your final answer.