If x + 1/x = 3 , then find the value of  x 2  + 1/x

x+1/x=3

(x+1/x)2=(3)2

x2+2+1/x2=9

x2+1/x2=9-2

x2+1/x2=7

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 Thanks so much

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 x+1/x=3
squaring both sides
x2+1/x2=32
x2+1/x2=9
x2+1/x2=9-2
x2+1/x2=7
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Please see answer below
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How is -2 is coming
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Question 1

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by squaring both sides u can get ans that is 7
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If wrong note down in comment section

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Can you tell me which book is this
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x+1/x=3

x2+1/x2=

(x+1/x)2=x2+1/x2+2.(x).(1/x)
(3)2=x2+1/x2+2
9-2=x2+1/x2
x2+1/x2=7
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Hi this is my answer
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x+1/x=3

x2+1/x2=

(x+1/x)2=x2+1/x2+2.(x).(1/x)
(3)2=x2+1/x2+2
9-2=x2+1/x2
x2+1/x2=7
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PLEAASE SEE ANSWER BELOW
 
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