Question

write the set A = {x:x€ z , x^2<20}​

Answer 1

Roster form of set A={-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9}

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Answer 2

Answer:

A={x:x€Z, x²<20}

it's roaster form,

A={(-4)²,(-3)²,(-2)²,(-1)²,1²,2²,3²,4²}