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First four terms of the sequence represented by the expression n(n-1)-4
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First four terms of the sequence represented by the expression n(n-1)-4
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Aug 26, 2018
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First four terms of the sequence represented by the expression n(n-1)-4
Mathematics
high-school
Archie
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That's a strange form but:
n^2-n-4
-4, -2, 2, 8
Denisjacquemin
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Aug 28, 2018
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Denisjacquemin
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first term is n=1
1(1-1)-4
1(0)-4
-4
first term is -4
2nd term
n=2
2(2-1)-4
2(1)-4
2-4
-2
2nd term is -2
3rd term
n=3
3(3-1)-4
3(2)-4
6-4
2
3rd term is 2
4th term
n=4
4(4-1)-4
4(3)-4
12-4
8
4th term is 8
the first 4 terms are -4, -2, 2, 8
Reznoir
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Aug 30, 2018
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Reznoir
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