Irrational in Equalities and Log in Equalites

Log and Mod in Equalites

int x log x dx is equal to

The value of log 6 is equal to:

Show that an irrational cannot be equal to the difference of a rational number and an irrational.

The number log _(2)7 is (1990,2M) an integer (b) a rational number an irrational number (d) a prime number

log 12900 is equal to

int cos(log x)dx is equal to

int(log x)^(2)dx equals-