Answer Q.16, Q.17 and Q.18 by appropriately matching the information given in the three columns of the following table.
Let f(x)=x+logex−xlogex, x∈(0,∞). Column 1 concerns zeros of f,f′,f′′; Column 2 concerns their limiting behavior at infinity; and Column 3 concerns increasing/decreasing behavior of f and f′.
Which of the following options is the only CORRECT combination?