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3n2 - n equals 15 - n?
so 3n2 = 15 ie n2 = 5 so n = sqrt 5
What is the nth term 4 14 30 52 80?
t(n) = 3n2 + n = n(3n + 1)
What is 3n2 plus 5n plus 2?
(3n+2)(n+1)
How do you evaluate expression 0.2 x n for n equals 3 and n equals 6?
3 6
What is the nth term and sum of n terms of 6 13 24 39?
The simplest rule that will generate the 4 terms, and the nth term isUn = 2n2 + n + 3Then Sn = Sum for k = 1 to n of (2k2 + k + 3)= 2*sum(k2) + sum(k) + sum(3)= 2*n*(n+1)*(2n+1)/6 + n*(n+1)/2 + 3*n= (2n3 + 3n2 + n)/3 + (n2 + n)/2 + 3n= (4n3 + 9n2 + 23n)/6The simplest rule that will generate the 4 terms, and the nth term isUn = 2n2 + n + 3Then Sn = Sum for k = 1 to n of (2k2 + k + 3)= 2*sum(k2) + sum(k) + sum(3)= 2*n*(n+1)*(2n+1)/6 + n*(n+1)/2 + 3*n= (2n3 + 3n2 + n)/3 + (n2 + n)/2 + 3n= (4n3 + 9n2 + 23n)/6The simplest rule that will generate the 4 terms, and the nth term isUn = 2n2 + n + 3Then Sn = Sum for k = 1 to n of (2k2 + k + 3)= 2*sum(k2) + sum(k) + sum(3)= 2*n*(n+1)*(2n+1)/6 + n*(n+1)/2 + 3*n= (2n3 + 3n2 + n)/3 + (n2 + n)/2 + 3n= (4n3 + 9n2 + 23n)/6The simplest rule that will generate the 4 terms, and the nth term isUn = 2n2 + n + 3Then Sn = Sum for k = 1 to n of (2k2 + k + 3)= 2*sum(k2) + sum(k) + sum(3)= 2*n*(n+1)*(2n+1)/6 + n*(n+1)/2 + 3*n= (2n3 + 3n2 + n)/3 + (n2 + n)/2 + 3n= (4n3 + 9n2 + 23n)/6
3n2 - n equals 15 - n?
so 3n2 = 15 ie n2 = 5 so n = sqrt 5
Factor the polynomial by grouping n3 plus 3n2 plus 4n plus 12?
n3 + 3n2 + 4n + 12 = (n3 + 3n2) + (4n + 12) = n2(n + 3) + 4(n + 3) = (n2 + 4)(n + 3).
3n2-7 equals 0 qaudratic form?
Add 7 to each side: 3n2 = 7 Divide each side by 3: n2 = 7/3 n = sqrt 7/sqrt 3, ie just over 1.5
How do you factor 3-8n-3n2?
-((3n - 1)(n + 3))
What is 3n squared minus 7n equals 0?
3n2 - 7n = 0 n(3n - 7) = 0 So either n = 0 or 3n-7 = 0 ie, either n = 0 or n = 7/3 = 21/3 = 2.33...
What is the formula for the sequence 9 23 43 69 101 139?
t(n) = 3n2 + 5n + 1 for n = 1, 2, 3, ...
Give m equals 3 and n equals 1 then m3n3 equals?
Given m equals 3 and n equals 1 then m3n3 equals?m3n3 = m*3*n*3 = 3*3*1*3 = [ 27 ]
What is n equals 3?
n = 3
What is the nth term 4 14 30 52 80?
t(n) = 3n2 + n = n(3n + 1)
What is 3n2 plus 5n plus 2?
(3n+2)(n+1)
How do you evaluate expression 0.2 x n for n equals 3 and n equals 6?
3 6
What is the next number in the series 76 67 57 45?
30. The series can be generated by: t(n) = (-n3 + 3n2 - 56n + 510)/6 for n = 1, 2, 3, ...
