find an integer which when multiplied by minus 1 and divided by -9 result into reciprocal of the integer
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- x = 1/x
x^2 =-1
x =1
-9/x = x
-9 =x^2
x =3
x =1,3
x^2 =-1
x =1
-9/x = x
-9 =x^2
x =3
x =1,3
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