দুইটি ক্রমিক সংখ্যার বর্গের পার্থক্য ১৯। তার মধ্যে একটি সংখ্যার বর্গমূল ৩ হলে অন্যটি কত?
A. ৬
B. ৮
C. ৯
D. ১০
সঠিক উত্তরঃ
D.
১০
Explanation:
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