Question

An = n2- 5

Answer 1

Answer:

D

Step-by-step explanation:

if to substitute values of n=1;2;3;4;5 into

$a_n=n^2-5$

then a₁=-4; a₂=-1; a₃=4; a₄=11; a₅=20.

It means the answer {-4, -1, 4, 11, 20,...} is correct.