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h v Grade: 12
        

dear sir ,


There are unlimited number of coupons each bearing one of the letters of A,B,C .In how many ways  "m" coupons can be selected such that the word BAC cannot be spelt. [answer is 3*(2^m - 1) ]

6 years ago

Answers : (1)

h v
33 Points
										

can anyone give the answer please?

6 years ago
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