申論題

(b) (10%) The integral in (a) can be approximated by integrating the linear approximation of the integrand, i.e. let f(x) = (1+x) / √(1-x²) ≈ f(0) + f'(0) x Approximate ∫-1^0 f(x) dx by evaluating ∫-1^0 (f(0) + f'(0) x) dx