Question

1
Q.4- Rationalise the denominator of
1/3+√2​

Answer 1

Answer:

$\frac{3 - \sqrt{2} }{7}$

Step-by-step explanation:

$\frac{1}{3 + \sqrt{2} } \\ = \frac{1}{3 + \sqrt{2} } \times \frac{3 - \sqrt{2} }{3 - \sqrt{2} } \\ = \frac{3 - \sqrt{2} }{ {3}^{2 - {( \sqrt{2} })^{2} } } \\ = \frac{ 3 - \sqrt{2} }{9 - 2} \\ \frac{3 - \sqrt{2} }{7}$