Question

Q. Write in Roster form.
A={x:x is an integer,x² smaller then or equal to 4}

Answer 1

A={-2 , -1 , 0 , 1 , 2 }

Answer 2

Hi

here is your answer

given,

A = { x : x is an integer, x²≤ 4 }
so,
A will be { - 2 , - 1 , 1 , 2 }

where

(- 2 )² = 4

( - 1 )² = 1

1² = 1

2² = 4

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