यदि \(A=\{0\}\) और (B=[-2,2]) हैं, तो \(A\times B\) कौन सा समुच्चय है?

If \(A=\{0\}\) and (B=[-2,2]), which set is \(A\times B\)?

Explanation opens after your attempt
Correct Answer

A. ({(0,y):-2\le y\le2})

Step 1

Concept

The first component is always (0), and the second varies in ([-2,2]). So it is a segment on the (y)-axis.

Step 2

Why this answer is correct

The correct answer is A. ({(0,y):-2\le y\le2}). The first component is always (0), and the second varies in ([-2,2]). So it is a segment on the (y)-axis.

Step 3

Exam Tip

पहला घटक हमेशा (0) होगा और दूसरा ([-2,2]) से बदलता रहेगा। इसलिए यह (y)-अक्ष का रेखाखंड है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{0\}\) और (B=[-2,2]) हैं, तो \(A\times B\) कौन सा समुच्चय है? / If \(A=\{0\}\) and (B=[-2,2]), which set is \(A\times B\)?

Correct Answer: A. ({(0,y):-2\le y\le2}). Explanation: पहला घटक हमेशा (0) होगा और दूसरा ([-2,2]) से बदलता रहेगा। इसलिए यह (y)-अक्ष का रेखाखंड है। / The first component is always (0), and the second varies in ([-2,2]). So it is a segment on the (y)-axis.

Which concept should I revise for this Mathematics MCQ?

The first component is always (0), and the second varies in ([-2,2]). So it is a segment on the (y)-axis.

What exam hint can help solve this Mathematics question?

पहला घटक हमेशा (0) होगा और दूसरा ([-2,2]) से बदलता रहेगा। इसलिए यह (y)-अक्ष का रेखाखंड है।