Question

How to prove that root 5 minus root 3 is not a rtainl number?

Answer 1

because squares of real numbers are never negative

Answer 2

Root 5 -root 3 =a/b
-root3 =a-root 5/b
-root 3 =a-root 5 /b
Root 3 =a-root 5 /b




HOPE.... IT HELPS US