Question

Let A = {x|W, x²< 9}
Please solve this step by step​

Answer 1

Answer:

given

x belongs to whole no that is it starts from 0

x^2 should be less that 9 i. e 8

0^2= 0

1^2 = 1

2^2 = 4

3^2.= 9

4^2= 16

5^2=25

6^2= 36

7^2=49

8 ^2 = 64

hence A= {0,1,4,9,16,25,36,49,64}

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Answer 2

Answer:

x²<9

x<3

in the whole nbers less than 3 is 2,1,0

so x= {0,1,2}