Question

Show that
3/ 2√5
is an irrational number.
Plz help
give correct answer

Answer 1

3 + 2√5 = a/ b

2√5 =a/b -3

√5 =a-3b/2b

√5 is rational.

This contradicta the fact that √5 is irrational.

So our supposition is incorrect.

Answer 2

Answer:

I think so that should be a plus sign not a divide sign. Refer the image given below :)