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Un = n*(n2 + 3n + 2)/6 or n*(n+1)*(n+2)/6 for n = 1, 2, 3, ...
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What is the nth term in 5 10 20?
560
What is the nth term and and the 14th term of the sequence of numbers 2 8 14 and 20?
They are: nth term = 6n-4 and the 14th term is 80
Nth term for 11 ,31,51,72?
The given sequence is 11, 31, 51, 72 The nth term of this sequence can be expressed as an = 11 + (n - 1) × 20 Therefore, the nth term is 11 + (n - 1) × 20, where n is the position of the term in the sequence.
What is the nth term of -5 10 -15 20?
1. -52. 103. -154. 205. -256. 307. -358. 409. -45
What is the nth term fot 20 11 2 -7 -16?
20-9x=n
What is the nth term in 5 10 20?
560
How do you find the nth term?
Say if you had the pattern 15 20 25 30 35 40 45 50 To find the nth term you have to see what the gap between the numbers is. In our case this is 5. Then you have to find out what the difference between the gap and the first number. In this sequence it is 10. So your answer would be..... 5n+10 That's how you find the nth term.
What is the nth term to 2 8 14 20 26?
It is: nth term = 6n-4
What is the nth term of 10 14 20 28?
t(n) = n2 + n + 8
Which of the following best completes the sequence 5 10 15 20?
The nth term is: 5n
What is the nth term of 4 12 20 28?
The nth term of the sequence is expressed by the formula 8n - 4.
What is the nth term of 7 10 13 16?
The nth term of this sequence is 3n + 4
What is the nth term and and the 14th term of the sequence of numbers 2 8 14 and 20?
They are: nth term = 6n-4 and the 14th term is 80
What is the nth term for 14 8 2 -4 -10?
f(n) = 14 - 6n -6n+20
How do you find the nth term for this pattern- 10 20 40 80 160?
The first term is 10. Dividing (say) the 3rd term by the 2nd term gives 40/20 = 2 Dividing any two successive terms in this manner results in the same answer. Then 2 is the common ratio. The general formula for the nth term of a Geometric Progression or Series is :- a(n) = ar^n-1.....where a is the first term and r is the common ratio. For the pattern provided, a(n) = 10 x 2^n-1
What is the nth term of the sequence 4 8 12 16?
Given n and any number for the nth term, it is a simple matter to find a rule such that the above four numbers are the first four of a sequence and the given number in the nth position.However, the simple answer for simple questions is Un = 4n
What is the Nth term for the sequence 5 20 45 80?
Divide the sequence by 5 and the answer becomes very obvious: 1, 4, 9, 16,...N2 So, 5, 20, 45, 80,...5N2
