Question

3- √2 / 3+√2.........RATIONALIZE THE DENOMINATOR.....PLS

Answer 1

$\frac{3 - \sqrt{2} }{3 + \sqrt{2} } \times \frac{3 - \sqrt{2} }{3 - \sqrt{2 } } = \frac{(3 - \sqrt{2}) {}^{2} }{ {3}^{2} - { \sqrt{2} }^{2} } \\ = \frac{9 + 2 - 6 \sqrt{2} }{9 - 2} \\ = \frac{11 - 6 \sqrt{2} }{7}$

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