If ?, ? and ? are the zeroes of the polynomial ?(?) = ?3 − ??2 + ?? − ?, then find 1?? +1?? +1??.

If ?, ? and ? are the zeroes of the polynomial ?(?) = ?3 − ??2 + ??

1.	If ?, ? and ? are the zeroes of the polynomial ?(?) = ?3 − ??2 + ?? − ?, then find 1?? +1?? +1??.
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