Question

prove 2root 5 are irrational​

Answer 1

Answer:

Let us assume that 2?5 is rational

So,2?5= p/q ( standard form )

?5= p/2q

Here p, q ,7 are integers .

p/7q is a rational number.

But we know that ?5 is irrational.

which means irrational is not equal to rational.

So , assumption was wrong.

Hence, 2?5 is irrational.

Step-by-step explanation: