Question

please say me answer ​

Answer 1

Heya

______________________________

1/x = 1 / { √3 + 1 }

MULTIPLY NR and DN by {√3 - 1 }

1/x =

{ √3 - 1 }
______
√3² - 1

=>

1/x =

(√3 - 1 )
______
2

=>

So, x + 1/x = { 2√3 + 2 + √3 - 1 }/2

=>

x + 1/x = { 3√3 + 1 }/2