SOLUTION: what is the nth term of the sequence 0,6,14,24,36,50,...

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Question 1187173: what is the nth term of the sequence 0,6,14,24,36,50,...
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

,,,,,,.......

find differences
... ... ... ... ...
... ... ... ... ...
...... ...... ...... ......

second differences are same, nth term formula is quadratic








..........solve for
....eq.1


............solve for
...........eq.2

............solve for
...........eq.3

from eq.1 and eq.2 we have
.......solve for

..............eq.1))

from eq.1 and eq.3 we have
.....solve for

.........divide by
............eq.2))

equal eq.1)) and eq.2))
....solve for



go to
..............eq.1), substitute


go to
....eq.1, substitute and


th term formula is:

or




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