a+1/a=6. find a-1/a and a×a-1/a×a
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a+1/a=6
a^2+1=6a
a^2-6a+1=0
by mid term splitting
find a
than solve it
a^2+1=6a
a^2-6a+1=0
by mid term splitting
find a
than solve it
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