Question

write whether 2√45+3√20 on
--------------------
2√5 simplification gives an irrational or a rational number.. ​

Answer 1

the answer is 6 . 6 is a rational number.

Answer 2

here is your answer here is your answer

2√45+3√20
=2√9*5+3√4*5
=2*3√5+3*2√5
=6√5+6√5
=12√5
=12√5/2√5
=6

hope this is helpful to you