MCQ · কৃষি গুচ্ছ সমন্বিত ভর্তি পরীক্ষা · ২০২৪
√i+√(-i)= কত?
- ক1
- খ-i
- গ±√2
- ঘ-2
সঠিক উত্তর: গ) ±√2
ব্যাখ্যা
√i = (1 + i)/√2 এবং √(−i) = (1 − i)/√2; যোগফল 2/√2 = √2, চিহ্নসহ ±√2।
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