write whether 2 root 45 +3 root 20 by 2 root 5 on simplification gives a rational or irrational no.

write whether 2 root 45 +3 root 20 by 2 root 5 on simplification gives

1.	write whether 2 root 45 +3 root 20 by 2 root 5 on simplification gives a rational or irrational no.
Answer» (2√45 + 3√20 )/2√5 = (23√5 + 32√5)/2√5= 12√5/2√5= 6 , so it gives a rational number Irrational