Write whether2√45+3√20/2√5 simplification gives rational or irrational number step by step​

Question

Write whether2√45+3√20/2√5
simplification gives rational or irrational number
step by step​

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Eden 2 weeks 2021-10-04T18:10:10+00:00 1 Answer 0 views 0

Answers ( )

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    2021-10-04T18:11:39+00:00

    Step-by-step explanation:

    2√45+3/2×√2×2×5/√5

    where 5 gets cancelled

    2√45+3/2×√4

    we know that,

    √4=2

    so,

    2√45+3/2×2

    2 gets cancelled again so,

    2√45+3

    hence it gives an irrational number

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