Question

A set (x:x² + 4 = 0) where x is a real number is a

a. null set
b. finite set
c. infinite set
d. none​

Answer 1

Answer:

x^2+4=0 is a null set bcoz any no. square is always positive

Answer 2

Step-by-step explanation:

(x^2+4)=0

x^2=-4

X =-2