The proof by indirect method is shown below. In which step does the contradiction appear?
Give...
Mathematics, 16.03.2020 16:28 lulustar13
The proof by indirect method is shown below. In which step does the contradiction appear?
Given: pllrand m21m22
Prove: line p is not || to line 9
Step 1: Assume plla
Step 2: Since pllr, then m23 = m21
Step 3: m 3 = m22
Step 4: m2 1 = m22
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Answers: 3
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