Question

Write whether on 7root 45 - 3root 20/root 5 simplification gives a rational or irrational number ​

Answer 1

Step-by-step explanation:

7√45 -3√20/√5

7√(3×3×5) - 3√4

21√5-3√4

3(7√5-√4)

so, the anwer is irrational number

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