Question

rationalization of 2/√7+1​

Answer 1

Answer:

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Step-by-step explanation:

$\frac{2}{ \sqrt{7} + 1 } = \frac{2}{ \sqrt{7} + 1 } \times \frac{2}{ \sqrt{7} - 1 } = \frac{4}{ (\sqrt{7} )^{2} - {1}^{2} } = \frac{4}{7 - 1} = \frac{4}{6} = \frac{2}{3}$