Question

if x-1/x=2 find the value of x^2+1/x^2

Answer 1

Answer:

6

Step-by-step explanation:

x - 1/x = 2

By squaring both sides, we get

(x - 1/x)^2 = 2^2

x^2 + 1/x^2 - 2*x*1/x = 4

x^2 + 1/x^2 - 2= 4

x^2 + 1/x^2 = 4 + 2

x^2 + 1/x^2 = 6

Answer 2

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