यदि \(A={x:x\in\mathbb{Z},x^2=16}\) और \(B=\{-4,4\}\), तो कौन सा सही है?
If \(A={x:x\in\mathbb{Z},x^2=16}\) and \(B=\{-4,4\}\), which is correct?
Explanation opens after your attempt
A. (A=B)
Concept
The integer solutions are both (-4) and (4). Do not miss the negative solution in square equations.
Why this answer is correct
The correct answer is A. (A=B). The integer solutions are both (-4) and (4). Do not miss the negative solution in square equations.
Exam Tip
पूर्णांक हल (-4) और (4) दोनों हैं। वर्ग वाले प्रश्नों में ऋणात्मक हल न छोड़ें।
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