Difference between revisions of "Proof that 2=1"
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8) <math>2 = 1</math>. Divide both sides by <math>a</math>. | 8) <math>2 = 1</math>. Divide both sides by <math>a</math>. | ||
+ | |||
+ | ==Error== | ||
+ | The quantity of <math>a-b</math> is <math>0</math> as <math>a = b</math>, since one cannot divide by zero, the proof is incorrect from that point on. |
Revision as of 13:18, 27 January 2020
Proof
1) . Given.
2) . Multiply both sides by a.
3) . Subtract from both sides.
4) . Factor both sides.
5) . Divide both sides by
6) . Substitute for .
7) . Addition.
8) . Divide both sides by .
Error
The quantity of is as , since one cannot divide by zero, the proof is incorrect from that point on.