Question

2. If x = 5 - 2√6 then find the value of x + 1 x

Answer 1

Step-by-step explanation:

since

x=(5+2√6),

then

1/x =(5-2√6),

therefore

x - 1/x =(5+2√6)-(5-2√6),

x - 1/x =2√6+2√6,

x + 1/x =4√6

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Answer 2

Answer:

0.203

Step-by-step explanation:

Given that

x = 5 - 2√6

We have to find that x + 1x

= 5 - 2√6 + 1(5 -2√6)

= 10 - 2√6 - 2√6

= 10 - 9.797

= 0.203

hence we get 0.203 is the correct answer