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Prove that the following proof of 1=2 is wrong

To prove: 1=2

Proof: is give above

Task: Find the mistake and support it with a logical proof. If you are citing a law or a theorem the prove that as well ( only if it is major one)

Note by Aayush Mani
2 years, 1 month ago

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\(\sqrt{a^{2}} = \pm a\)

\(\sqrt{\frac{9}{4}} = \pm \frac{3}{2}\) and similarly the other one .

we will consider only those values which satisfy the equality @Aayush Mani Megh Choksi · 2 years, 1 month ago

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@Megh Choksi \(\sqrt{a^{2}} = |a|\) Krishna Sharma · 2 years, 1 month ago

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The first equation does not have a real solution. Sarthak Tanwani · 2 years, 1 month ago

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I have one doubt, how did you get the 1st equation? Ashley Shamidha · 2 years, 1 month ago

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@Ashley Shamidha Yeah seriously! It is wrong for x =1 too. Kartik Sharma · 2 years, 1 month ago

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