Question

if x= √5 +1 then find the value of 1/x​

Answer 1

Step-by-step explanation:

$x = 1 + \sqrt{5 } \\ \frac{1}{x} = \frac{1}{ \sqrt{5} + 1 } \\ rationalising \: the \: denominator \\ \: \frac{1}{x} = \frac{ \sqrt{5} + 1 }{5 - 1} \\ \frac{1}{x} = \frac{ \sqrt{5} + 1}{4}$