alleryনিচের কোন সংখ্যার বর্গমূল অমূলদ?
A81
B50
C64
D49
Answer & Solution
Correct answer: B. 50
50 পূর্ণবর্গ সংখ্যা নয়, যেখানে 49, 64 এবং 81 হলো যথাক্রমে 7, 8 এবং 9-এর বর্গ।
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