Giải hệ phương trình tuyến tính sau bằng phương pháp Gauss-Jordan {2x1 - x2 - x3 = 4
{3x1 + 4x2 -2x3 = 11
{3x1 - 2x2 + 4x3 = 11

Why do interests rates on loans to be lower in a weak economy than in a strong one

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

Describe the relationship between the angles of similar triangles and the sides of similar triangles