Q. 145.0( 4 Votes )

Let X = {12, 13,

Answer :

Given: f(x) = highest prime factor of x

and since x A, A = {12, 13, 14, 15, 16, 17}


Value of x can only be 12, 13, 14, 15, 16, 17


Doing prime factorization of the above, we get




Hence, range of f = {2, 3, 5, 7, 13, 17}


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