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7. Triangular Matrix example ( Enter your problem )
  1. Example `[[8,-6,2],[-6,7,-4],[2,-4,3]]`
  2. Example `[[3,2,4],[2,0,2],[4,2,3]]`
  3. Example `[[1,1,1],[-1,-3,-3],[2,4,4]]`
  4. Example `[[2,3],[4,10]]`

4. Example `[[2,3],[4,10]]`





Find Upper Triangular Matrix ...
`[[2,3],[4,10]]`


Solution:
`A` = 
`2``3`
`4``10`


`R_2 larr R_2-2xx R_1`

 = 
`2``3`
`0``4`


`:.U` = 
`2``3`
`0``4`





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