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If the nth term of a number sequence is n²+ 2n, find the first 3 terms and the 10th term.​

Sagot :

Answer:

300

Step-by-step explanation:

the nth term of a sequence is 3n^2 (where n only is squared), then the 10th term of the sequence is; 3 x (10)^2= 3 x 100 = 300.

1st = 3
2nd = 6
3rd = 9
10th = 22
hope this helps!