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waheguru Group Title

Quick Question: How does √20 = 2√5 Please Explain I am confused

  • one year ago
  • one year ago

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  1. Kanwar245 Group Title
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    √20 = √5.4

    • one year ago
  2. Kanwar245 Group Title
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    √4 = 2

    • one year ago
  3. yoyointegrals Group Title
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    ^ ding ding ding

    • one year ago
  4. waheguru Group Title
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    How does √20 = √5.4?

    • one year ago
  5. gabrielle12 Group Title
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    You can factor 20 out to equal 2*2*5. The square root of this is 2 times the square root of 5

    • one year ago
  6. waheguru Group Title
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    Can you show me how this would work if say it was √30?

    • one year ago
  7. yoyointegrals Group Title
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    30 factors to 5*2*3 so you cannot change the square root of it.

    • one year ago
  8. waheguru Group Title
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    √40 does factor to 2*2*10 can you show how it work with this

    • one year ago
  9. waheguru Group Title
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    Would it be 2√10

    • one year ago
  10. yoyointegrals Group Title
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    exactly.

    • one year ago
  11. waheguru Group Title
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    Thanks

    • one year ago
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