Question

{x:x = n²-2, n € W and n < 4} in roaster form​

Answer 1

Answer:

n < 4

n = {1 ,2 , 3}

n² - 2

* If n = 1

1² - 2

1 - 2

-1

* If n = 2

2² - 2

4 - 2

2

* If n = 3

3² - 2

9 - 2

7

Roaster form : {-1 , 2 , 7}