True or false? To begin an indirect proof, you assume the converse of what you intend to prove is true.
1 answer:
You might be interested in
Check the picture below.
Write the system in augmented-matrix form:
Row reduce this matrix:
- Add -1(row 1) to row 3:
- Add 3(row 4) to row 3:
- Multiply row 3 by 1/5:
- Add -2(row 3) to row 4:
- Add -2(row 3) and -1(row 4) to row 1:
This matrix tells us that ,
, and
, but clearly
, so there is no solution.