(Q). In how many ways a team of p students can be selected from q students such that r student are always included & s students are always included?
Solution:-
ᑫ ⁻ ʳ ⁻ ˢCₚ ₋ ᵣ Answer
(Q). In how many ways a team of p students can be selected from q students such that r student are always included & s students are always included?
Solution:-
ᑫ ⁻ ʳ ⁻ ˢCₚ ₋ ᵣ Answer