यदि \(A={x:x^2-7x+12=0}\) और \(B=\{3,4\}\) हैं, तो सही संबंध कौन सा है?
If \(A={x:x^2-7x+12=0}\) and \(B=\{3,4\}\), which relation is correct?
Explanation opens after your attempt
A. (A=B)
Concept
The roots are (3) and (4), so both sets have the same elements. First solve, then compare the sets.
Why this answer is correct
The correct answer is A. (A=B). The roots are (3) and (4), so both sets have the same elements. First solve, then compare the sets.
Exam Tip
समीकरण के मूल (3) और (4) हैं, इसलिए दोनों समुच्चयों के सदस्य समान हैं। पहले हल निकालकर फिर समुच्चय मिलाएं।
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