For each sequence given below, find a closed formula for as the nth term of the sequence (assume the first terms here are always ag by relating it to another sequence for which you already kno the formula. a 3,5,11, 21, 35, 53,... 2n^2+3 b. 0, 3, 9, 18, 30, 45,... 03/2n^2+3/2n c. -1,0,7, 26, 63, 124,... n^3-1 d. 2,4,7, 13, 33, 131,...

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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For each sequence given below, find a closed formula for an. the nth term of the sequence (assume the first terms here are always a) by relating
it to another sequence for which you already kno the formula.
a. 3,5, 11, 21, 35, 53,...
an
2n^2+3
b. 0, 3, 9, 18, 30, 45,...
On 3/2n^2+3/2n
c. -1,0,7, 26, 63, 124,...
ann^3-1
d. 2,4,7, 13, 33, 131,...
an= 0
Transcribed Image Text:For each sequence given below, find a closed formula for an. the nth term of the sequence (assume the first terms here are always a) by relating it to another sequence for which you already kno the formula. a. 3,5, 11, 21, 35, 53,... an 2n^2+3 b. 0, 3, 9, 18, 30, 45,... On 3/2n^2+3/2n c. -1,0,7, 26, 63, 124,... ann^3-1 d. 2,4,7, 13, 33, 131,... an= 0
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