2-root5 is it rational or irrational? and how?

Asked by kushigowda | 2nd Oct, 2020, 10:06: AM

Expert Answer:

begin mathsize 16px style When space an space irrational space number space is space subtracted space from space straight a space rational space number comma space the space answer
space will space always space be space irrational.
rightwards double arrow 2 minus square root of 5 space is space an space irrational space number. end style

Answered by Yasmeen Khan | 2nd Oct, 2020, 11:50: AM