Functions Question #1
I saw this problem on Facebook recently and thought its really quite interesting. Given , find . Ans: 0 Hint: Consider substituting some numbers in.
I saw this problem on Facebook recently and thought its really quite interesting. Given , find . Ans: 0 Hint: Consider substituting some numbers in.
A J1 (Junior College Year 1) recently told me she was very impressed by what I did for her Mid years. Lets rewind a bit. Many J1s actually was worried about Mid years and wanted to have extra [...]
The Shannon number, named after Claude Shannon, is an estimated lower bound on the game-tree complexity of chess of 10120, based on about 103 initial moves for White and Black and a typical game [...]
When we do correlation & regression as a topic, we know correlation is talking about the relationship between two variables, but what exactly is “regression”? So this is a bit of [...]
A man write five letters, one each to A, B, C, D, and E. Each letter is placed in a separate envelope and sealed. He then addresses the envelopes, at random, on each to A, B, C, D, and E. Find [...]
This is a classical mathematical fallacies. At hindsight, everything looks perfectly fine. So did you manage to spot the error? It is at line 5, where we divide both sides of the equation by . [...]
Now I know this is one known fact that students just accept. Why is it that anything raised to the power of 0 is 1? We know that , meaning we take the 2 and multiply it three times. So [...]
Many students are good at doing hypothesis testing, that is, they know what to do to carry out the test correctly. However, they don’t really understand how the test actually work. [...]
So we shared a bit on mathmagic by Dr. Benjamin a week ago. He showed off some amazing arithmetic skills. So today, we shall share a bit of mathemusic. How wonderful can get! This is something [...]
Mathematicians gossip too. Part of the letter John Herschel wrote to Charles Babbage contains a little puzzle no one figured out: