Question

which is singletone set 1. {(x)=2' x belongs to N}. 2, A={x:square of x = 1,x belongs to x Belongs to z} 3. A={(x)=2,x belongs to N } 4. {x:squar of x+x+1=0,×belongs to R}

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Answer 1

Answer:

good night

Step-by-step explanation:

good night

good night

good night

good night

good night

good night

Answer 2

Step-by-step explanation:

once again keep this question