Question
Download Solution PDFনিচের কোন সংখ্যাটি যৌগিক?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFব্যবহৃত ধারণা:
1. একটি যৌগিক সংখ্যা হল একটি ধনাত্মক পূর্ণসংখ্যা যা দুটি ছোট ধনাত্মক পূর্ণসংখ্যাকে গুণ করে পাওয়া যায়।
2. মৌলিক সংখ্যা হল প্রাকৃতিক সংখ্যা (>=2) যেগুলি শুধুমাত্র 1 এবং সেই দ্বারা বিভাজ্য।
গণনা:
51 = 3 x 17
41 = 41 x 1
61 = 61 x 1
31 = 31 x 1
∴ বিকল্পগুলির মধ্যে শুধুমাত্র 51 একটি যৌগিক সংখ্যা।
Last updated on Jul 2, 2025
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