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Consider the arithmetic sequence 6,11 ,1...

Consider the arithmetic sequence 6,11 ,16,21,…..
a) Find the common difference.
b) Write the algebraic form of the sequence.

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a) Common difference =11-6=5
b)f=6 d=5, f-d=6-5=1
`x_(n)=d n+(f-d)=5 `n+1`
Algebraic form of the sequence
.x_(n)=5 n+1.
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