Question

show that 3 plus.
2 root 5 is an
irrational number​

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.

Hope this will help you.

Answer 2

Step-by-step explanation:

show that 3 plus.

2 root 5 is an

irrational number