Question

{x : n ∈ N, x = 2n, n < 4}

Answer 1

Answer:

X= {2,4,6}

Step-by-step explanation:

n=1

X1=2(1)=2

n=2

X2=2(2)=4

n=3

X3=2(3)=6

so the set become

X={2,4,6}

Answer 2

Step-by-step explanation:

{2,4,6}

Not sure about this....