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Mkimbriel

I need to simplify the following expression. sqrt (-98)sqrt (-50)

  • one year ago
  • one year ago

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  1. maheshmeghwal9
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    \[\color{red}{\sqrt{-98} \times {\sqrt{-50}}=i \sqrt{98\times50.}}\]

    • one year ago
  2. princeofwetlot
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    @maheshmeghwal9 not exactly \[\sqrt{-98} \times \sqrt{-50} = i\sqrt{98} \times i\sqrt{50} = i^2 \sqrt{98 \times 50} = -\sqrt{98 \times 50}\]

    • one year ago
  3. maheshmeghwal9
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    \[=>i ^2\sqrt{4900}=i^2*70=70i^2=-70\]

    • one year ago
  4. maheshmeghwal9
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    sorry there was i^2

    • one year ago
  5. Mkimbriel
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    thank you I got -70 as well

    • one year ago
  6. Mkimbriel
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    You just made my day thank you

    • one year ago
  7. maheshmeghwal9
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    yw:)

    • one year ago
  8. Mkimbriel
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    :) Later have a great night

    • one year ago
  9. maheshmeghwal9
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    ^_^

    • one year ago
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