यदि \(A=\{2,4,6\}\) और \(B={x:x=2n, n\in N, 1\le n\le3}\) है तो सही कथन कौन सा है?
If \(A=\{2,4,6\}\) and \(B={x:x=2n, n\in N, 1\le n\le3}\) then which statement is correct?
Explanation opens after your attempt
Correct Answer
A. (A=B)
Concept
Putting (n=1,2,3) gives \(B=\{2,4,6\}\) so both are equal. In exams substitute all allowed parameter values.
Why this answer is correct
The correct answer is A. (A=B). Putting (n=1,2,3) gives \(B=\{2,4,6\}\) so both are equal. In exams substitute all allowed parameter values.
Exam Tip
(n=1,2,3) रखने पर \(B=\{2,4,6\}\) मिलता है इसलिए दोनों बराबर हैं। परीक्षा में पैरामीटर के सभी मान लगाएं।
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