Question

If A={x:x²=4 and 3x=9} an empty set or not?why?​

Answer 1

empty set . because there's no number is satisfied the given equations

Answer 2

Answer:yes,given set is empty set.

Step-by-step explanation:Because here square of element of set should be 4 then element should be 2 or -2 but when 2 or -2 multiplied by 3 gives 6 or - 6 which is not equal to 9. So, no element exists which can satisfy both conditions.