Question

Show that root 7 is an irrational number. (Withous using contradiction method)
those who give correct answer i give follow and mark as BRAINLIST ​

Answer 1

root 7 = root 5 + root 2

root 5 and root 2 are irrational ( universal fact )

therefore root 7 is also irrational

as sum of any 2 irrational numbers is also irrational

hope it helps you