if x+1/x=3 find the value of x square +1/x square
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Squaring x+1/x on both sides you will get..
x^2 + 1/x^2 +2 = 9
hence...
x^2 + 1/x^2 = 7
x^2 + 1/x^2 +2 = 9
hence...
x^2 + 1/x^2 = 7
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7 is correct answer of this equation
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