Flag Differential Calculus> let a {1,2,3,4} then number of one -one f...
question mark

let a {1,2,3,4} then number of one -one functions f a -> a such that f(i) not equal to i
total number of 1-1 functions here will be 4!
but then there's a restriction in the question how do we do that

Shubham Kulkarni , 8 Years ago
Grade 11
anser 0 Answers
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