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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, 10 months ago

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2 \times 3

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you can't divide by zero

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which step??

3rd step: (a-a) = 0 and dividing both sides by (a-a) is dividing by 0.

@Ethan Godden – OK now i got it, thanks a lot!!

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Easy Math Editor

`*italics*`

or`_italics_`

italics`**bold**`

or`__bold__`

boldNote: you must add a full line of space before and after lists for them to show up correctlyparagraph 1

paragraph 2

`[example link](https://brilliant.org)`

`> This is a quote`

Remember to wrap math in \( ... \) or \[ ... \] to ensure proper formatting.`2 \times 3`

`2^{34}`

`a_{i-1}`

`\frac{2}{3}`

`\sqrt{2}`

`\sum_{i=1}^3`

`\sin \theta`

`\boxed{123}`

## Comments

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TopNewestyou can't divide by zero

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which step??

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3rd step: (a-a) = 0 and dividing both sides by (a-a) is dividing by 0.

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