समुच्चय \(A={x:x^2=4,\ x\in \mathbb{Z}}\) और \(B=\{-2,2\}\) के लिए सही कथन चुनिए।
Choose the correct statement for \(A={x:x^2=4,\ x\in \mathbb{Z}}\) and \(B=\{-2,2\}\).
Explanation opens after your attempt
Correct Answer
A. (A=B)
Concept
In integers, the solutions of \(x^2=4\) are (-2) and 2. Both sets are equal.
Why this answer is correct
The correct answer is A. (A=B). In integers, the solutions of \(x^2=4\) are (-2) and 2. Both sets are equal.
Exam Tip
पूर्णांकों में \(x^2=4\) के हल (-2) और 2 हैं। दोनों समुच्चय बराबर हैं।
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