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# Category Archives: Random

## Stats Joke

From page 68 of Simon Singh’s The Simpsons and their Mathematical Secrets: While heading to a conference on board a train, three statisticians meet three biologists. The biologists complain about the cost of the train fare, but the statisticians reveal … Continue reading

## [Soln] Problem-Solving Strategies Ch 9 Problem 25

Engel 9.25. The sequence is defined by , . Find the integer part of the sum Note: This problem was taken from Arthur Engel’s Problem-Solving Strategies.

## Problem-Solving Strategies Ch 9 Problem 25

## [Soln] Zero Determinant

Let and be two matrices with complex entries, such that . Prove that . (Credits: I learnt of this problem from this link.)

## Zero Determinant

## [Soln] Find f(-100)

Let be a polynomial such that Find . (Credits: I learnt of this problem from Zi Song Yeoh on brilliant.org.)