Multiple Choice Question (MCQ)
Rationalizing the denominator \dfrac{1}{\sqrt{2} } gives
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2
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\sqrt{2}
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\dfrac{2}{\sqrt{2} }
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\dfrac{\sqrt{2} }{2}
Answer
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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}