1.

Solve ""^(2n)C_3:""^nC_3=44:5

Answer»

Solution :A COMMITTEE of 4 GENTLEMEN and 3 LADIES is to be formed out 7 gentlemen and 6 ladies. `:.` "The NUMBER of ways in which the committee can be formed".""^7C_4xx""^6C_3=(7*6*5)/(3*2)xx(6*5*4)/(3*2)=700`


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