Question

Prove
that 3+2 root 5
is
irrational​

Answer 1

Answer:

Step-by-step explanation:

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

that 3+2 root 5

is

irrational can be return as a/b

2 root 5= a/b - 3

2 root 5 = [a-  3b/b]

root 5 = 1/2 X [a-  3b/b]

root 5 =[a-  3b/2b]

I hope this makes you fine answer make me as brainliest...