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What is the sixth term in a sequence in which the nth term i
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02 Mar 2019, 11:06
02 Mar 2019, 11:06
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What is the sixth term in a sequence in which the \(n\)th term is \(n( n − 1)^2\)?
A. 42
B. 150
C. 900
D. 1,225
E. 2,592
A. 42
B. 150
C. 900
D. 1,225
E. 2,592
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: What is the sixth term in a sequence in which the nth term i
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02 Mar 2019, 11:14
02 Mar 2019, 11:14
1
Carcass wrote:
What is the sixth term in a sequence in which the \(n\)th term is \(n( n − 1)^2\)?
A. 42
B. 150
C. 900
D. 1,225
E. 2,592
A. 42
B. 150
C. 900
D. 1,225
E. 2,592
We're given a direct formula for calculating every term.
That is.... term_n = n( n − 1)²
For example:
term_1 = 1( 1 − 1)² = 1(0)² = 0
term_2 = 2( 2 − 1)² = 2(1)² = 2
term_3 = 3( 3 − 1)² = 3(2)² = 12
...etc
So, term_6 = 6( 6 − 1)² = 6(5)² = 150
Answer: B
Cheers,
Brent
Re: What is the sixth term in a sequence in which the nth term i
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25 Jan 2023, 02:55
25 Jan 2023, 02:55
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