\(समुच्चय (A={x:x\) is an even prime number}) किसके बराबर है?
\(The set (A={x:x\) is an even prime number}) is equal to which set?
Explanation opens after your attempt
B. ({2})
Concept
A prime number has exactly two factors.
Why this answer is correct
(2) is the only even prime number.
Exam Tip
When even and prime appear together, remember (2). चरण 1: अभाज्य संख्या के ठीक दो गुणनखंड होते हैं। चरण 2: (2) ही एकमात्र सम अभाज्य संख्या है। चरण 3: सम और अभाज्य शब्द साथ आएँ तो (2) को याद रखें।
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