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WHat!!!!How is this possible??

Find the mistake:-

\({ a }^{ 2 }-{ a }^{ 2 }={ a }^{ 2 }-{ a }^{ 2 }\\ a(a-a)=(a+b)(a-b)\\ a=a+a\\ a=2a\)

Note by Mrigank Krishan
2 years, 3 months ago

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you can't divide by zero Megh Choksi · 2 years, 3 months ago

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@Megh Choksi which step?? Mrigank Krishan · 2 years, 3 months ago

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@Mrigank Krishan 3rd step: (a-a) = 0 and dividing both sides by (a-a) is dividing by 0. Ethan Godden · 2 years, 3 months ago

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@Ethan Godden OK now i got it, thanks a lot!! Mrigank Krishan · 2 years, 3 months ago

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