Practice problem
Given the matrix A=[70138311141512352]A=\left[\begin{array}{cc|c}7&0&13\\8&3&11\\14&15&12\\3&5&2\end{array}\right]A=78143031551311122 perform the row operation: 11R3⟶R311R_3\longrightarrow R_311R3⟶R3
[70138311154165132352]\left[\begin{array}{cc|c}7&0&13\\8&3&11\\154&165&132\\3&5&2\end{array}\right]78154303165513111322
[7013831115416512352]\left[\begin{array}{cc|c}7&0&13\\8&3&11\\154&165&12\\3&5&2\end{array}\right]7815430316551311122
[701438312114151323522]\left[\begin{array}{cc|c}7&0&143\\8&3&121\\14&15&132\\3&5&22\end{array}\right]781430315514312113222
[70138311252623352]\left[\begin{array}{cc|c}7&0&13\\8&3&11\\25&26&23\\3&5&2\end{array}\right]78253032651311232
Type a concept, like “slope” or “photosynthesis”.
