समुच्चय \(X={x:x\in \mathbb{N},,x\) (24) का भाजक है और \(x^2>24}\) का सही सूची रूप क्या है?
What is the correct roster form of \(X={x:x\in \mathbb{N},,x\) is a divisor of (24) and \(x^2>24}\)?
Correct answer and explanation
A. \(X=\{6,8,12,24\}\)
Concept
(24) के धनात्मक भाजक (1,2,3,4,6,8,12,24) हैं। / The positive divisors of (24) are (1,2,3,4,6,8,12,24).
Why this answer is correct
\(x^2>24\) जाँचने पर (6,8,12,24) बचते हैं; \(4^2=16\) इसलिए (4) नहीं आएगा। / Checking \(x^2>24\), the values (6,8,12,24) remain; \(4^2=16\), so (4) is excluded.
Exam Tip
भाजक और असमानता दोनों शर्तें साथ-साथ लागू करें। / Apply both the divisor condition and the inequality condition together.
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