यदि \(^{n}C_r\) में (r=0) हो तो selection की practical meaning क्या है?
If (r=0) in \(^{n}C_r\) what is the practical meaning of the selection?
Explanation opens after your attempt
A. कोई वस्तु न चुननाChoosing no object
Concept
Choosing no object gives one empty selection. In exams treat the empty case as valid count (1).
Why this answer is correct
The correct answer is A. कोई वस्तु न चुनना / Choosing no object. Choosing no object gives one empty selection. In exams treat the empty case as valid count (1).
Exam Tip
कोई वस्तु न चुनने का एक empty selection होता है। परीक्षा में empty case को valid count (1) मानें।
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