(n) distinct objects से (r) objects repetition के साथ बिना order चुने जाएं, तो formula किससे आता है?
If (r) objects are chosen from (n) distinct objects with repetition and without order, which idea gives the formula?
Explanation opens after your attempt
Correct Answer
A. Stars and bars
Concept
This is multiset selection and the answer is \({}^{n+r-1}C_r\). In exams handle repetition with no order by the bars method.
Why this answer is correct
The correct answer is A. Stars and bars. This is multiset selection and the answer is \({}^{n+r-1}C_r\). In exams handle repetition with no order by the bars method.
Exam Tip
यह multiset selection है और answer \({}^{n+r-1}C_r\) होता है। परीक्षा में repetition with no order को bars method से करें।
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