Indirect Proof (Proof by Contradiction) Example

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Learn the process of indirect proofs through this free math video tutorial example of an indirect proof in geometry by Mario's Math Tutoring.

0:12 Example 1 Geometry Indirect Proof
0:41 First Step Temporarily What You Want to Prove that Opposite is True
1:11 Reason Logically Until We Reach a Contradiction of the Given or a Known Fact
3:00 Once You Reach a Contradiction You Assume that the Original Assumption is False and that the Opposite is True

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What a legend... you helped me get 3 hundreds on 3 different quizzes. Keep up the excellent work 👍👍

yeetusdeletus
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Mario thanks for the help have a test tomorrow and these proofs are hard for me
God bless your teaching
Also do you have any tips for learning proofs a little better

ColeEclipse
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Thank you so much
Do you have
Oroof bu contradiction ?
For surd 2 is irrational

suraprod
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You know the bald ones are the smartest.

realerdealers
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My math teacher loves u (his name is mr. bones)

dylannokleby
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youtube is broken. something i wrote a few minutes ago says 23 minutes ago

HOleti-dezy
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Thanks! It would make my day if you responded to me :)

sandeepsalwan