P
peto_cn94


cac pan giai ho minh pai nay nhe;
cho (C): y=(2x-1)/(x+1)
tim toa do m sao cho khoang cach tu I(-1;2) toi cac tiep tuyen cua (C) tai m la lon nhat
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cho (C): y=(2x-1)/(x+1)
tim toa do m sao cho khoang cach tu I(-1;2) toi cac tiep tuyen cua (C) tai m la lon nhat