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What is 3n2 minus 5n minus 4n3 plus 5n2 plus n plus 7?
-4n3 + 8n2 - 4n + 7
What are the next three terms of this sequence 2-4-8-6?
10, 48 and 116. These are derived using the cubic generator: Un = (-4n3 + 27n2 - 47n + 30)/3 for n = 1, 2, 3, ...
What is the missing number in this sequence 1 13 33 53?
The answer depends on which number is missing. Even if the location of the gap is know, there are infinitely many possible solutions. The solutions listed below are polynomials of the lowest degree. First: 5 using the rule Un = (-4n3 + 48n2 - 128n + 99)/3 Second: 0 using the rule Un = (-7n3 + 84n2 - 209n + 138)/6 Third: 21.666 (recurring) using the rule Un = (3n3 - 23n2 + 84n - 61)/3 Fourth: 50 using the rule Un = (-11n3 + 90n2 - 121n + 48)/6 Fifth: 65 using the rule Un = (-4n3 + 36n2 - 44n + 15)/3
What does 76 plus 54 plus 92 plus 88 plus 76 plus 88 plus 75 plus 93 plus 92 plus 68 plus 88 plus 76 plus 76 plus 88 plus 80 plus 70 plus 88 plus 72 equal?
76 plus 54 plus 92 plus 88 plus 76 plus 88 plus 75 plus 93 plus 92 plus 68 plus 88 plus 76 plus 76 plus 88 plus 80 plus 70 plus 88plus 72 equal 1,440
What is the total of 5 plus 6 plus 5 plus 1 plus 4 plus 1 plus 1 plus 3 plus 5 plus 4 plus 2 plus 4 plus 3 plus 1 plus 1 plus 4 plus 3 plus 4 plus 3 plus 4 plus 3 plus 1 plus 2 plus 3 plus 3 plus 1?
It is 77
