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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 12: vẽ BBT của hs y = (-x²-x+1)/(x+2)

Toán Lớp 12: vẽ BBT của hs
y = (-x²-x+1)/(x+2)

Comments ( 2 )

  1. Đạo hàm: y^’=(-(x+1)(x+3))/((x+2)^2)
    y^’=0 <=> [(x=-3),(x=-1):}
    BBT: hình

    toan-lop-12-ve-bbt-cua-hs-y-1-2

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222-9+11+12:2*14+14 = ? ( )

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