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Let f:{1,2,3}-{1,2,3} be a function. If the number of functions g: {1,2,3}-{1,2,3}. Such that f(x)=g(x) for atleast one x belongs to {1,2,3} is k, then (k-10) is equal to?

Answer» Let f:{1,2,3}-{1,2,3} be a function. If the number of functions g: {1,2,3}-{1,2,3}. Such that f(x)=g(x) for atleast one x belongs to {1,2,3} is k, then (k-10) is equal to?


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