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L = 2

L(L-1) = 2(L-1)

L2-L = 2L-2

L2-2L = L-2

L(L-2) = L-2

L = 1

Find the mistake in the above maths equations

Note by Yashasvini Sharma 5 years, 1 month ago

$</code> ... <code>$</code>...<code>."> Easy Math Editor

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1. numbered2. list

paragraph 1paragraph 2

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2 \times 3

2^{34}

a_{i-1}

\frac{2}{3}

\sqrt{2}

\sum_{i=1}^3

\sin \theta

\boxed{123}

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Fifth row, (L-2)=0

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I think the mistake is in the fifth row, where both side divided by (L-2) which is zero

According to me 5th step is absolutely right but when you do the 2nd step you must mention l is not equal to 1

Fourth step equates zero to zero

fourth row.

or 2

2L-2 is 0

No, 2L-2 = 2

Simple because of multiplying it by (L-1) it become quadratic ..So it has two solutions 1 & 2.

Fifth St ep is wrongg

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$</code> ... <code>$</code>...<code>."> 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 $</span> ... <span>$ or $</span> ... <span>$ 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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TopNewestFifth row, (L-2)=0

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I think the mistake is in the fifth row, where both side divided by (L-2) which is zero

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According to me 5th step is absolutely right but when you do the 2nd step you must mention l is not equal to 1

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Fourth step equates zero to zero

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fourth row.

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or 2

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2L-2 is 0

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No, 2L-2 = 2

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Simple because of multiplying it by (L-1) it become quadratic ..So it has two solutions 1 & 2.

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Fifth St ep is wrongg

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