Multiple Choice Question (MCQ)

Rationalizing the denominator \dfrac{1}{\sqrt{2} } gives

  1. ×

    2

  2. ×

    \sqrt{2}

  3. ×

    \dfrac{2}{\sqrt{2} }

  4. \dfrac{\sqrt{2} }{2}

Collected in the board: Square Root

Steven Zheng posted 3 hours ago

Answer

  1. Multiply both nominator and denominator with \sqrt{2} to rationalize the denominator

    \dfrac{1}{\sqrt{2} }

    =\dfrac{1}{\sqrt{2} }\cdot \dfrac{\sqrt{2} }{\sqrt{2} }

    =\dfrac{\sqrt{2} }{2}

Steven Zheng posted 3 hours ago

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