4. Find the solution to each of these recurrence relations and initial conditions.a) an = −an−1, a0 = 5 b) an = an−1 + 3, a0 = 1 c) an = an−1 − n, a0 = 4d ) an = 2nan−1, a0 = 3 e) an = 5an−1 − 6an−2, a0 = 2, a1 = −1
Question
- Find the solution to each of these recurrence relations and initial conditions.a) an = −an−1, a0 = 5 b) an = an−1 + 3, a0 = 1 c) an = an−1 − n, a0 = 4d ) an = 2nan−1, a0 = 3 e) an = 5an−1 − 6an−2, a0 = 2, a1 = −1
Solution
a)
Para encontrar la solución, observamos el patrón de los primeros términos:
Podemos ver que los términos alternan entre 5 y -5. Por lo tanto, la solución es:
b)
Para encontrar la solución, observamos el patrón de los primeros términos:
Podemos ver que los términos forman una progresión aritmética con diferencia común 3. La fórmula general es:
c)
Para encontrar la solución, observamos el patrón de los primeros términos:
Podemos ver que los términos forman una secuencia decreciente. La fórmula general es:
d)
Para encontrar la solución, observamos el patrón de los primeros términos:
Podemos ver que los términos forman una secuencia factorial multiplicada por 3. La fórmula general es: [ a_n = 3 \cdot (2^n \cdot n!) \
Similar Questions
3. Find the first five terms of the sequence defined by each of these recurrence relations andinitial conditions.a) an = 6an−1, a0 = 2 b)21 1, 2n na a a c) an = an−1 + 3an−2, a0 = 1, a1 = 2
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