1.

Rationalise the denomitar 1 upon 2root 2​

Answer» ONG>Step-by-step explanation:

B> Rationalizing the denominator :

\begin{gathered}= > \frac{1}{2 \SQRT{2} } \\ \\ = > \frac{1}{2 \sqrt{2} } \times \frac{ \sqrt{2} }{ \sqrt{2} } \\ \\ = > \frac{ \sqrt{2} }{2 \times \sqrt{2 \times 2} } \\ \\ = > \frac{ \sqrt{2} }{2 \times 2} \\ \\ = > \frac{ \sqrt{2} }{4}\END{gathered}

=>

2

2

1

=>

2

2

1

×

2

2

=>

2×

2×2

2

=>

2×2

2

=>

4

2


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