alleryঅখণ্ড সংখ্যা n ধনাত্মক হয়নে? I: n-ৰ বৰ্গ n-ৰ সমান। II: n শূন্য নহয়।
Aকেৱল I-য়েই যথেষ্ট
Bদুয়োটা একেলগে প্ৰয়োজন
Cকেৱল II-য়েই যথেষ্ট
Dআনকি একেলগেও কোনোটোৱেই নহয়
Answer & Solution
Correct answer: B. দুয়োটা একেলগে প্ৰয়োজন
n-ৰ বৰ্গ n-ৰ সমান হ'লে n = 0 বা 1 পোৱা যায়, আৰু 0 বাদ দিলে n = 1 বাকী থাকে, যিটো ধনাত্মক।
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