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If (x\in \mathbb{R}) and (x^2<0), what is the solution set?यदि (x\in \mathbb{R}) और (x^2<0), तो हल समुच्चय क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ( \emptyset )( \emptyset )
For every real (x), (x^2\geq 0), so (x^2<0) is impossible. In such questions, check the basic property first.किसी भी वास्तविक (x) के लिए (x^2\geq 0) होता है इसलिए (x^2<0) असंभव है। ऐसे प्रश्नों में पहले मूल गुण देखें।
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