3 years ago

What is the nth term of 4,7,12,19,28

2 answers:

5 0

N-squared plus 3 would be the answer.

Examples:
1-squared plus 3 is equal to four.
2-squared plus 3 is equal to seven.
3-squared plus 3 is equal to twelve.
4-squared plus 3 is equal to nineteen.
And so on..

algol [13]3 years ago

4 0

7-4=3
12-7=5
19-12=7
28-19=9
The sequence starts from 3 and you keep adding 2...
Hope this helps

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