No
It is always irrational.
Yes, always.
No, it is always irrational.
It is not always irrational.
Such a sum is always irrational.
The square of a rational number can be either rational or irrational. However, the square of an irrational number is always irrational.
No.A rational times an irrational is never rational. It is always irrational.
No. A rational plus an irrational is always an irrational.
It will be irrational.
It is always irrational.
In general, no. It is possible though. (2pi)/pi is rational. pi2/pi is irrational. The ratio of two rationals numbers is always rational and the ratio of a rational and an irrational is always irrational.
yes