Better: (R_n = \frac2n \sum_i=1^n (4 + \frac6in) = \frac2n[4n + \frac6n\cdot \fracn(n+1)2] = \frac2n[4n + 3(n+1)] = 14 + \frac6n)
[ L_n = \frac2n [4n + 3(n-1)] = \frac2n (7n - 3) = 14 - \frac6n ] sumas de riemann ejercicios resueltos pdf
Numerically: (\sin(22.5^\circ) \approx 0.382683,\ \sin(67.5^\circ) \approx 0.923880), sum (\approx 1.306563) Better: (R_n = \frac2n \sum_i=1^n (4 + \frac6in)
[ \int_a^b f(x) , dx = \lim_n \to \infty \sum_i=1^n f(x_i^*) \Delta x ] \ \sin(67.5^\circ) \approx 0.923880)