FUNCTIONS 11
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Write an equation for nth term in the sequence: 2, 5, 10, 17, 26

t(1)=2
t(2)=5
t(3)=10
...
Hint:
compare 2,5,10,17,26
and 1,4,9,16,25....
The sign can be achieved by multiply by the factor (1)^n
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