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In the divisibility relation on (A={2,3,5,30}), how many minimal elements are there?समुच्चय (A={2,3,5,30}) पर विभाज्यता संबंध में कितने न्यूनतम अवयव हैं?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (3)(3)
Step 1: A minimal element has no distinct element below it in the relation. Step 2: (2,3,5) are not divided by any other distinct element of (A). Step 3: (30) is not minimal because (2,3,5) divide it.चरण 1: न्यूनतम अवयव से पहले कोई अलग अवयव संबंध में नहीं आना चाहिए। चरण 2: (2,3,5) को (A) का कोई अलग अवयव विभाजित नहीं करता। चरण 3: (30) न्यूनतम नहीं है क्योंकि (2,3,5) उसे विभाजित करते हैं।
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