Saved Bookmarks
| 1. |
The augmented matrix of a system of linear equations is \(\begin{bmatrix} 1 &2&7&3 \\[0.3em] 0&1&4&6\\0&0&λ - 7& μ+ 5 \\[0.3em] \end{bmatrix}\). The system has infinitely many solutions if _____ (a) λ = 7, μ ≠ 5 (b) λ = -7, μ = 5 (c) λ ≠ 7, μ ≠ -5 (d) λ = 7, μ = -5 |
|
Answer» (d) λ = 7, μ = -5 |
|