Asked by NR
Let A = {x: x 3x=6}. Does A?
My answer: A ≠ 2 because x = 2 and x is an element of set A. Thus, A = {2}, but A itself is not equal to 2.
My answer: A ≠ 2 because x = 2 and x is an element of set A. Thus, A = {2}, but A itself is not equal to 2.
Answers
Answered by
Steve
{x: x 3x=6} ??
Do you mean {x: 3x=6} ??
Then you ask
Does A?
Does A <u>what</u>?
However, you are correct in saying that {2} is not 2
Do you mean {x: 3x=6} ??
Then you ask
Does A?
Does A <u>what</u>?
However, you are correct in saying that {2} is not 2
Answered by
NR
Yes, I meant A = {x: 3x=6}. Is A therefore equal to 2, or is x = 2 just, instead of A = 2?
Answered by
Steve
x = 2
A = {2}
A = {2}
Answered by
NR
Thank you. X = 2 and A = {2} makes sense. But let's say that A IS equal to 2. Could you explain how A could be equal to 2? I don't think it's possible. Maybe, if A contained two elements, then we could say that n(A) = 2.
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