Classify √45 as rational or irrational.
Note
√45 = √(9×5) = 3√5 and since √5 is not expressible as a ratio of integers, √45 is irrational.
Classify √45 as rational or irrational.
√45 = √(9×5) = 3√5 and since √5 is not expressible as a ratio of integers, √45 is irrational.