Question

Show that 7-root5 is irrational, give that
root5 is irrational.​

Answer 1

Answer:

let root 5 be rational no.

then..

5 can be written in the form p/q

then later our assumption will become wrong as it is not a rational no.

So at last multiply root 5 by 7 then

irrational×rational=irrational

HENCE PROVED

Step-by-step explanation:

Let 5 be rational no.

5 = p/q

5p=q (q not equal to zero)

our assumtion is wrong...!!

so root 5 is a irrational no.

Mark as Brailist.....!!

Answer 2

Answer:

HaLlo iiiiiiiiiiiiiiiiiiiiiiiiiiii