Question

QULUTIONS
If x= √2 - 1, then write the value of 1/x​

Answer 1

Answer:

$\frac{1}{ \sqrt{2} - 1 }$

$\frac{1}{ \sqrt{2} - 1} \times \frac{ \sqrt{2 } + 1}{ \sqrt{2} + 1 }$

$\frac{ \sqrt{2} + 1}{2 -1}$

$\frac{ \sqrt{2} + 1 }{1} = \sqrt{2} + 1 = \frac{1}{x}$