Choose the model

Question

Tìm m để hệ phương trình vô nghiệm

Accepted Answer

Hệ luôn có nghiệm với mọi m

Answer

Với mọi m

Answer

<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:m="http://schemas.openxmlformats.org/officeDocument/2006/math"><mml:mi>m</mml:mi><mml:mo>≠</mml:mo><mml:mo>-</mml:mo><mml:mn>1</mml:mn></mml:math>

Answer

<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:m="http://schemas.openxmlformats.org/officeDocument/2006/math"><mml:mi>m</mml:mi><mml:mo>=</mml:mo><mml:mo>-</mml:mo><mml:mn>1</mml:mn></mml:math>