Question

If x-1/x= √3 find the value of x2+1/x2

Answer 1

Answer:

5

Step-by-step explanation:

x-1/x= √3

now squaring both sides

(x-1/x)^2 = (√3)^2

use (a-b)^2 = a^2 + b^2 - 2ab

x2 + 1/x2 - 2 = 3

x2 + 1/x2 = 3 + 2

x2 + 1/x2 = 5

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