On simplification whether 2 root 45 +3 root20 gives irrational or rati

1.	On simplification whether 2 root 45 +3 root20 gives irrational or rational number
Answer» It is an irrational no. as2√45=6√5 and3√20=6√5 6√5+6√5=12√5Which is an irrational no.Hence it is an irrational no.

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