Question

There is number X such that x^2 is irrational but x^4 is rational then X can be ?​

Answer 1

Answer:

yes there are so many no. example 2^(1/4) which is irrational and its square is 2^(1/2) which is also irrational but again squaring it becomes 2 which is rational no. Note: If a no. is rational then its square is always rational.