Question

if x-1/x=3 then find x^2+1/x^2

Answer 1

Step-by-step explanation:

hi hope it helps you ........

Answer 2

Step-by-step explanation:

x-1/x=3

=> (x-1/x)^2= x2+1/x2 - 2(x×1/x)

=> (3)^2=x2+1/x2-2

=> 9= x2+1/x2-2

=> 9+2=x2+1/x2

=>11= x2+1/x2

therefore x2+1/x2 =11

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