if a positive rational number P by Q is its own reciprocal find P - q
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let the number be x
according to the question,
x=1/x
x^2=1
x=+_1
p=q=1
p-q=0
at p=-1
and q=1
p-q=-1-1=-2
HOPE THAT THIS HELPS TO YOU
according to the question,
x=1/x
x^2=1
x=+_1
p=q=1
p-q=0
at p=-1
and q=1
p-q=-1-1=-2
HOPE THAT THIS HELPS TO YOU
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