Let `f : ( 2,oo) -> N` be defined by `f(x)=` the largest prime factor of `[ x ]` . Then `int_2^8 f(x) dx` is is equal to (A) 17 (B) 22 (C) 23 (D) 25

Let f:(2,oo)to X be defined by f(x)= 4x-x^(2) . Then f is invertible, if X=

Let f:(2,oo)to X be defined by f(x)= 4x-x^(2) . Then f is invertible, if X=

Let f:[2, oo) rarr X be defined by f(x) = 4x-x^2 . Then, f is invertible if X =

Let A={9,10,11,12,13} and let f:A rarr N be defined by f(x)=the highest prime factor of n.Find the range of f.

If A = {9, 10, 11, 12, 13} and let f : A rarr N is defined by f(x) = highest prime factor of x. then the number of distinct elements in the image of f is : "(a) 6 (b)7 (c) 8 (d) 4 "

Let f:[2, oo)rarrR be the function defined by f(x)=x^(2)-4x+5 , then the range of f is

Let inte^(x){f(x)-f'(x)}dx=phi(x) . then, inte^(x)f(x)dx is equal to

Let f(x)=lim_( n to oo)(cosx)/(1+(tan^(-1)x)^(n)) . Then the value of int_(o)^(oo)f(x)dx is equal to

Let f(x)=lim_( n to oo)(cosx)/(1+(tan^(-1)x)^(n)) . Then the value of int_(o)^(oo)f(x)dx is equal to