Question

x minus one upon x is equal to root 5 then find the value of x plus one upon x​

Answer 1

Step-by-step explanation:

x - 1/x = √5

squareing both sides,

x² + 1/x² - 2 = 5

x² + 1/x² = 7

adding 2 to both sides

x² + 1/x² + 2 = 9

taking roots of both sides

x + 1/x = 3

So, value of x + 1/x = 3

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