Question

Of A=(x:x²=4and 5x+2=12) is empty set
Or Singleton set

Answer 1

Answer:

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Step-by-step explanation:

The answer is A is a SINGLETON SET

Since A = { 2 }

As x= 2 satisfy both x²=4and 5x+2=12

Answer 2

Answer:

x=2

Set A is a singleton set

Step-by-step explanation:

A={x:x=4 and 5x+2=12}

x²=4

x=2

5x+2=12

5x=12-2

x=10/5

|x=2|

setA is a singleton set.

since, A={2}.