यदि \(U=\mathbb{R}\), \(A={x:x^2-5x+6=0}\), तो (A') का सही वर्णन कौन सा है?
If \(U=\mathbb{R}\), \(A={x:x^2-5x+6=0}\), which is the correct description of (A')?
Explanation opens after your attempt
Correct Answer
A. \(\mathbb{R}-{2,3})
Concept
The equation gives \(A=\{2,3\}\), so the complement is \(\mathbb{R}-{2,3}\). Solve the equation first.
Why this answer is correct
The correct answer is A. \(\mathbb{R}-{2,3}). The equation gives (A={2,3}), so the complement is \(\mathbb{R}-{2,3}\). Solve the equation first.
Exam Tip
समीकरण से \(A=\{2,3\}\) मिलता है, इसलिए पूरक \(\mathbb{R}-{2,3}\) होगा। पहले समीकरण का हल निकालें।
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