Question

Please answer the above question with explaination

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Answer 1

(C) {-2,-1,0,1,2}

We have R = {{x,y}} €Z

$x ^{2} + y ^{2} \leqslant 4$

Let x = 0

y= 0, +-1 +-2

Let x = +-1

y = 0, +-1

Let x = +-2

Y = 0

•°• R ={x,y}£{ (0,0), (0,-1),(0,-2),(0,2),(-1,0),(1,0),(1,1), (1,-1),(-1,1),(2,0), (-2,0)}

•°•Domain of R £ (-2,-1,0,1,2)

________________________

Answer 2

Answer:

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Step-by-step explanation:

(C) {-2,-1,0,1,2}

We have R = {{x,y}} €Z

x ^{2} + y ^{2} \leqslant 4x

2 +y 2⩽4

Let x = 0

y= 0, +-1 +-2

Let x = +-1

y = 0, +-1

Let x = +-2

Y = 0

•°• R ={x,y}£{ (0,0), (0,-1),(0,-2),(0,2),(-1,0),(1,0),(1,1), (1,-1),(-1,1),(2,0), (-2,0)}

•°•Domain of R £ (-2,-1,0,1,2)