Source: laurentiu inequality
consider the function f(x) = =
, for x 0.
(1) Is f(x) continious at x = 1 . Justify your answer .
(2)Show that f(x) does not vanish anywhere in the interval and indicate the points where g(x) changes its sign
Find all primes,which are less than 10^19.
which is greater , e^pi and pi^e