Problem relating to topic - Sets

If A + {x,y) : x2 + y2 = 4; x, y ԑ R} and

B = {(x, y) : x 2 + y 2 = 9, x, y ԑ R} , then

A ) A – B = ᵩ

b) B – A = B

c) A ᴒ B ǂ  ᵩ

d) A  ᴒ B = A
in Other Math Topics by Level 1 User (240 points)

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