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
Correct Answer

A. (A=B)

Step 1

Concept

The integer solutions are both (-4) and (4). Do not miss the negative solution in square equations.

Step 2

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.

Step 3

Exam Tip

पूर्णांक हल (-4) और (4) दोनों हैं। वर्ग वाले प्रश्नों में ऋणात्मक हल न छोड़ें।

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Mathematics Answer, Explanation and Revision Hints

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?

Correct Answer: A. (A=B). Explanation: पूर्णांक हल (-4) और (4) दोनों हैं। वर्ग वाले प्रश्नों में ऋणात्मक हल न छोड़ें। / The integer solutions are both (-4) and (4). Do not miss the negative solution in square equations.

Which concept should I revise for this Mathematics MCQ?

The integer solutions are both (-4) and (4). Do not miss the negative solution in square equations.

What exam hint can help solve this Mathematics question?

पूर्णांक हल (-4) और (4) दोनों हैं। वर्ग वाले प्रश्नों में ऋणात्मक हल न छोड़ें।