Question

prove that -5 root 2 is primary number​

Answer 1

Explanation:

Let 5 root 2 be a rational no.

5 root 2 = p/q

root 2 =1/5(p/q)

we know that 5 root 2 is an irrational no. so our assumption was wrong 5 root 2 is an irrational no.

Answer 2

Answer:

All numbers are Primary Numbers...