If x + (1/x) = -4 , find x^2+(1/x^2)
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x+1/x=4
BY SQUARING WE GET,
x^2+1/x^2+2=16
i.e. x^2+1/x^2=16-2=14
BY SQUARING WE GET,
x^2+1/x^2+2=16
i.e. x^2+1/x^2=16-2=14
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