this post was submitted on 16 Jan 2025
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NonCredibleDefense

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At least you got a grease gun (lemmy.world)
submitted 2 weeks ago by PugJesus to c/noncredibledefense
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[โ€“] [email protected] 15 points 2 weeks ago* (last edited 2 weeks ago) (9 children)

That's... not true

2^2 = 4
3^2 = 9

(2^2 +3^2) = 13
(2 + 3)^2 = 5^2 = 25
13 != 25

[โ€“] rImITywR 3 points 1 week ago* (last edited 1 week ago) 
(a+b)^2=a^2 + b^2 + 2ab

By the cancellation law

a^2 + b^2 + 2ab = a^2 + b^2

only when

2ab = 0

So either a=0 or b=0

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