The difference between the square root of x and pi squared

Mathematicians have proved that certain special numbers are irrational, for example Pi and e. The number e is the base of natural logarithms. It is irrational, just like Pi, and has the approximate value 2.718281828459045235306 ... But you can easily find more irrational numbers using most square roots.

What are the following algebraic equations. you need to post those if you want the answer