(4.+ ∞)\(- ∞.2] = ? veto 5 sao

Question

(4.+ ∞)\(- ∞.2] = ? veto 5 sao

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Dulcie 4 years 2020-10-30T00:44:05+00:00 2 Answers 81 views 0

Answers ( )

  1. Sapo1
    0
    2020-10-30T00:45:27+00:00
    Reply

    Giải thích các bước giải:

    $(4,+\infty)\setminus (-\infty,2]=\varnothing$

  2. Gerda
    0
    2020-10-30T00:45:44+00:00
    Reply

    `(4; +∞) \\ (-∞; 2] = ∅`

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )