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Whats your favourite mathematrical theorem?

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That every continuous function on a closed interval is bounded.


JOKING, I don't believe real numbers exist lol
Euler's identity - it's simultaneous simplicity and yet underlying complexity is something to behold.
Original post by BioChemWizard
Euler's identity - it's simultaneous simplicity and yet underlying complexity is something to behold.


Too mainstream.

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Original post by IrrationalRoot
Too mainstream.

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Okay, okay okay...


Pythagoras.
Sylow's theorem.
I was considering that one too :smile: it blows my mind... And for negative exponents and rational and real exponents... It's a real peice of art... Love it
Reply 26
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josh_v
17
The result of Black-Scholes is really nice*
Reply 27
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Zacken
22
Marden's Theorem:

Suppose the zeroes z1,z2z_1, z_2 and z3z_3 of a cubic p(z)p(z) are non-collinear. There is a unique ellipse inscribed in the triangle with vertices z1,z2,z3z_1, z_2, z_3 and tangent to the sides at their midpoint. The foci of that ellipse are the zeroes of the derivative p′(z)p'(z).
Its not even a theorem but i bloody love the quadratic equation, i remember being so bloody proud knowing it off by heart.
Original post by retro_turtles
Its not even a theorem but i bloody love the quadratic equation, i remember being so bloody proud knowing it off by heart.


Lol it is a theorem though
Like c squared = a squared + b squared
Here's my favourite

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Reply 30
Avatar for B_9710
B_9710
18
Fermat's last theorem.
Original post by LonelyMathsBoy
Lol it is a theorem though
Like c squared = a squared + b squared
Here's my favourite

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It is? huh well good thing i didn't pick maths at A level

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The Picard–Lindelöf theorem
e^ipi + 1 = 0

Euler's identity

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Original post by BioChemWizard
Euler's identity - it's simultaneous simplicity and yet underlying complexity is something to behold.



Same. I love the eloquent manner in which you expressed this!
Original post by EricPiphany
That every continuous function on a closed interval is bounded.

JOKING, I don't believe real numbers exist lol


????
Original post by retro_turtles
Its not even a theorem but i bloody love the quadratic equation, i remember being so bloody proud knowing it off by heart.


I love the quadratic equation formula too! It's up there with the sum of a geometric series and the integrating factor.
Original post by Princepieman
????


Well, they have infinite complexity. Give me an uninteresting real number...
Original post by retro_turtles
It is? huh well good thing i didn't pick maths at A level

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I got a B in a level maths:tongue:

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Original post by LonelyMathsBoy
I got a B in a level maths:tongue:

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Thats pretty good considering its bloody long and hard as hell i was proud with my A at gcse i probably would've gotten a D

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