Question

Which of the following sets are empty sets?
(1) A = { x: x² – 3 = 0 and x is a rational​

Answer 1

Answer:

No x is not rational number

Answer 2

Answer:

it is a empty set

Step-by-step explanation:

substitute x value all rational numbers ,.its not possible LHS=RHS...there is no value satisfies the condition.

x² – 3 = 0

x=1,2,3,.....

1*1-3 is not is equal to zero