Ejercicio 1:
(n+2)! / (n+1)! = 17
(n+2)(n+1)! / (n+1)! = 17
n+2 = 17
n = 15
Respuesta n = 15
_______
Ejercicio 2:
3[ (x+1)! / x! ] - ( x +4)!/(x+3)! = 7
3[ (x+1)(x)! / x! ] - (x+4)(x+3)!/(x+3)! = 7
3x + 3 -x -4 = 7
2x -1 = 7
x = 4
Respuesta x = 4
________
Ejercicio 3:
L = ∅r
______
S. R
36 x π/180 = π/5
L = π/5(r)
4π = r π/5
r = 20
Respuesta : r = 20
Espero tessirva xdd
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Verified answer
Ejercicio 1:
(n+2)! / (n+1)! = 17
(n+2)(n+1)! / (n+1)! = 17
n+2 = 17
n = 15
Respuesta n = 15
_______
Ejercicio 2:
3[ (x+1)! / x! ] - ( x +4)!/(x+3)! = 7
3[ (x+1)(x)! / x! ] - (x+4)(x+3)!/(x+3)! = 7
3x + 3 -x -4 = 7
2x -1 = 7
x = 4
Respuesta x = 4
________
Ejercicio 3:
L = ∅r
______
S. R
36 x π/180 = π/5
L = π/5(r)
4π = r π/5
r = 20
Respuesta : r = 20
Espero tessirva xdd