Question

Let $A=\{x:x\in R\&x^2+1=0\}$ then $A$ is a null set.

• A. True
• B. False

Answer 1

The correct option is A True

For the equation,

$x^2+1=0$.......(1).

There is no solution in real numbers for the above equation .

So the set which contains the solutions of the equation (1) is null set.