Question

if x+1/x=4 find the value of x-1/x
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Answer 1

Answer:

x+1/x = 4

on squaring both side

x^2+1/x^2+2 = 16

x^2+1/x^2 = 16-2

x^2+1/x^2 = 14

(X-1/x)^2 = 14

x-1/x = √14

Answer 2

Answer:

Answer in the attachment..

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