giúp e ạ chi tiếttttttttttttttttt

Report
Question

Please briefly explain why you feel this question should be reported.

Report
Cancel

giúp e ạ chi tiếttttttttttttttttt

Answers ( 1 )

  1. Please briefly explain why you feel this answer should be reported.

    Report
    Cancel

    Giải thích các bước giải:

    Để hệ có nghiệm duy nhất

    $\to \dfrac{-m}2\ne\dfrac{1}1$ 

    $\to m\ne-2$

Leave an answer

Browse

By answering, you agree to the Terms of Service and Privacy Policy.