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Which one of the following is the empty set?a){x : x is a real number and x2 - 1 = 0}b){x : x is a real number and x2 + 1 = 0 }c){x : x is a real number and x2- 9 = 0}d){x : x is a real number and x2= x + 2}Correct answer is option 'B'. Can you explain this answer? for Mathematics 2025 is part of Mathematics preparation. The Question and answers have been prepared according to the Mathematics exam syllabus. Information about Which one of the following is the empty set?a){x : x is a real number and x2 - 1 = 0}b){x : x is a real number and x2 + 1 = 0 }c){x : x is a real number and x2- 9 = 0}d){x : x is a real number and x2= x + 2}Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mathematics 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following is the empty set?a){x : x is a real number and x2 - 1 = 0}b){x : x is a real number and x2 + 1 = 0 }c){x : x is a real number and x2- 9 = 0}d){x : x is a real number and x2= x + 2}Correct answer is option 'B'. Can you explain this answer?.

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