Question

The first 5 terms of a sequence are 13 9 5 1 -3 find the nth term of this sequence. ​

Answer 1

Answer:

$Explanation:</p><p></p><p>common different, d=an−an−1</p><p></p><p>Therefore,</p><p>d=ak+1−ak=ak+5−ak=5</p><p></p><p>Tn=a1+(n−1)d</p><p></p><p>Tn=6+(n−1)5</p><p></p><p>Tn=6+5n−5</p><p></p><p>Tn=5n+1</p><p></p><p>$

Answer 2

Answer:

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