ধর, x এবং y দুটি ধনাত্মক সংখ্যা। যদি xy = ১ এবং x/y = ১ হয়, তাহলে x + y এর মান কত?
A. 2
B. 0
C. 1
D. 3
সঠিক উত্তরঃ
A.
2
Explanation:
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