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