Which of the following is ture ?

Which of the following is a ture statements?

Which of the following is a ture statement ?

If f (x) =[ln (x)/(e)] +[ln (e)/(x)], where [.] denotes greatest interger function, the which of the following are ture ?

If f (x) =[ln (x)/(e) +[ln (e)/(x)], where [.] denotes greatest interger function, the which of the following are ture ?

Which of the following is/are ture?

Which of the following is/are ture?

Which of the following is not ture ?

Which of the following is not ture?

Which of the following is/are ture?