El profesor se sorprenderá mucho al ver tu solución correcta😉
6000 x*120 - 3360 x*120 - 3360 x*120 - 3360 - ----------- + ------------ + ------------ + ------------ = 0 0 1 2 3 (3/25 + 1) (3/25 + 1) (3/25 + 1) (3/25 + 1)
-6000/(1+(3/25))^0+(x*120-3360)/(1+(3/25))^1+(x*120-3360)/(1+(3/25))^2+(x*120-3360)/(1+(3/25))^3 = 0
-6000/1-6000/3/25)^0+x*120-33601+3/25)^1+x*120-33601+3/25)^2+x*120-33601+3/25)^3 = 0
-1378875/98 + 790875*x/2744 = 0
x = 1378875/98 / (790875/2744)
suma
102956 ------ 2109
=
102956 ------ 2109
producto
102956 ------ 2109
=
102956 ------ 2109
102956/2109