Question

Is A={x: x2

-2 = 0 and x is a rational number} an empty set?​

Answer 1

Answer:

Set A is an empty set.

Since √2 is the only value that can satisfy the expression, but it is also an irrational number.

I hope this helps.

Answer 2

$x = 6 \: \: hope \: it \: helps \: u$