\(^{n}C_r\) और \(^{n}C_{n-r}\) के बराबर होने का पूरक अर्थ क्या है?
What is the complementary meaning of equality of \(^{n}C_r\) and \(^{n}C_{n-r}\)?
Explanation opens after your attempt
A. चुने गए समूह से न चुना गया समूह तय हो जाता हैThe unchosen group is fixed by the chosen group
Concept
An (r)-selection fixes an ((n-r))-rejection with it. In exams view choose and reject as a pair.
Why this answer is correct
The correct answer is A. चुने गए समूह से न चुना गया समूह तय हो जाता है / The unchosen group is fixed by the chosen group. An (r)-selection fixes an ((n-r))-rejection with it. In exams view choose and reject as a pair.
Exam Tip
एक (r)-selection अपने साथ एक ((n-r))-rejection तय कर देता है। परीक्षा में choose and reject को जोड़ी की तरह देखें।
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