Posted by **mayinga Neville** on Monday, January 28, 2013 at 4:39pm.

You hv been given n=2 an Tn=5,n=3 an Tn=7,n=4 an Tn=9,n=7 an Tn=A,n=10 an Tn=21,n=B an Tn=153 determine A and B help please

- mathematics sequence and series -
**Steve**, Monday, January 28, 2013 at 5:05pm
so, we have

n Tn

2 5

3 7

4 9

7 A

10 21

B 153

From the first three terms, it looks like

Tn = 2n+1

T10 also fits this, so we have

7 15

76 153

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