No. Of ways in which n different object can be distributed into r different groups
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______✨ HEY MATE ✨______
➡️There are so many ways in which Different object can be distributed or combinatorised.
✌️
➡️There are so many ways in which Different object can be distributed or combinatorised.
✌️
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heya...
Here is your answer...
We can select rr object of total nn to be placed in rr groups (1 each) in nCrnCrways
Remaining n−rn−r objects can be placed in any of the rr groups
∴ Total ways =nCr⋅(n−r)r
It may help you... ☺☺
Here is your answer...
We can select rr object of total nn to be placed in rr groups (1 each) in nCrnCrways
Remaining n−rn−r objects can be placed in any of the rr groups
∴ Total ways =nCr⋅(n−r)r
It may help you... ☺☺
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