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Grade: 11
        How can we ditribute 12 identical coins among 6 different purses such that each purses can get atleast 1 coin and atmost 3 coins????  Pnc question
one year ago

Answers : (1)

GAGANDEEP SINGH
46 Points
							Let us say the purses are denoted by xi. I stand for purse number. Now variable xi can take values 1 2 3.so you have to find the number of solutions ofx1+x2+........+x12=12 subject to the mentioned condition. It is equivalent to finding coefficient of x^12 in (x+x^2+x^3)^12.  Which can be found with little calculations.
						
one year ago
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