MCQ · কৃষি গুচ্ছ সমন্বিত ভর্তি পরীক্ষা · ২০২৪
ⁿCᵣ = ?
- কn!
- খn!/r!
- গn!/(n−r)!
- ঘn!/(r!(n−r)!)
সঠিক উত্তর: ঘ) n!/(r!(n−r)!)
ব্যাখ্যা
n টি জিনিস থেকে r টি নিয়ে সমাবেশ ⁿCᵣ = n!/(r!(n − r)!)।
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