[ L_n = \frac2n [4n + 3(n-1)] = \frac2n (7n - 3) = 14 - \frac6n ]
So: [ M_4 = \frac\pi4 \left[ 2\sin(\pi/8) + 2\sin(3\pi/8) \right] = \frac\pi2 [\sin(22.5^\circ) + \sin(67.5^\circ)] ] sumas de riemann ejercicios resueltos pdf
Exact: (\int_1^3 (3x+1)dx = \left[\frac3x^22 + x\right]_1^3 = \left(\frac272+3\right) - \left(\frac32+1\right) = (13.5+3)-(1.5+1)=16.5-2.5=14) [ L_n = \frac2n [4n + 3(n-1)] =
[ \int_a^b f(x) , dx = \lim_n \to \infty \sum_i=1^n f(x_i^*) \Delta x ] sumas de riemann ejercicios resueltos pdf
Sum: (\sum_i=0^n-1 4 = 4n,\ \sum_i=0^n-1 \frac6in = \frac6n \cdot \fracn(n-1)2 = 3(n-1))