Show that the sequence {an} is a solution of the recurrence relation an = an−1 + 2an−2 + 2n − 9 ifa) an = −n + 2.b) an = 5(−1)n − n + 2.c) an = 3(−1)n + 2n − n + 2.d) an = 7 ⋅ 2n − n + 2.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Show that the sequence {an} is a solution of the recurrence relation an = an−1 + 2an−2 + 2n − 9 if
a) an = −n + 2.
b) an = 5(−1)nn + 2.
c) an = 3(−1)n + 2nn + 2.
d) an = 7 ⋅ 2nn + 2.

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