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LearnMathematics

@LearnMath20

According to definition 0^0 =1. But how can it be? If this is TRUE, (0^0)/(0^0) = (0/0)^0 = not defined. Because 0/0 is not defined. On the other hand, 0^0=1 imply (0^0)/(0^0)=1.


LearnMathematics reposted

A Cantor set is uncountable and yet can have Lebesgue measure zero (or positive measure).


Unsolved problem: write a computer program that can tell whether a knot that it is given is the unknot.


Heron derived the formula for finding the area of a triangle when the lengths of the three sides of a triangle are given.


Do you remember when you joined X? I do! #MyXAnniversary

LearnMath20's tweet image. Do you remember when you joined X? I do! #MyXAnniversary

Prove it or give an example!

A path connected space is connected. The converse does not always hold.



LearnMathematics reposted

Amartya Sen's bicycle played a key role in his research on the differences between baby boys and girls. After his assistant got bit by the children when weighing them, Sen decided to bicycle through the countryside of West Bengal, weighing the children himself.

NobelPrize's tweet image. Amartya Sen's bicycle played a key role in his research on the differences between baby boys and girls. After his assistant got bit by the children when weighing them, Sen decided to bicycle through the countryside of West Bengal, weighing the children himself.

LearnMathematics reposted

When math makes sense! Visualizing the area of a circle. 🤟


LearnMathematics reposted

Letter to Einstein from a New York plumber, in response to a tongue in cheek remark from Einstein saying he would rather be a plumber than a physicist. (via Institute for Advanced Study)

curiouswavefn's tweet image. Letter to Einstein from a New York plumber, in response to a tongue in cheek remark from Einstein saying he would rather be a plumber than a physicist. (via Institute for Advanced Study)

Convergence of a sequence depends on its topology.


LearnMathematics reposted

Sir Isaac Newton developed his theory of gravity when he was only 23 years old.


Why had it taken so long to signify nothing? #Numbers


If you look at zero you see nothing; but look through it and you will see the world.


LearnMathematics reposted

Let A, B, and C be the angles of an arbitrary triangle. Then sin² A + sin² B + sin² C = 2 + 2 cos A cos B cos C. johndcook.com/blog/2023/04/1…


What is 0×infinity?


1^a=1 for any real numbers. Using the result, can we say 1^inifty=1?


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