Interesting Math Questions Here some interesting math questions and their answers. Why is negative times positive negative? Why is negative times negative positive? Why are we not allowed to divide by zero? Why is dividing by a fraction the same as multiplying by the reciprocal?
Update: Since this post was put up we’ve received more “nine-based” questions. Rather than put them in a new post: The original question was: I have been searching for dayyyys for this trick’s proof. I have had one professor tell me it involves mod 9 arithmetic and another say ...
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Trick Questions Based on Log RulesBasic RulesExpandingCondensingTrick Q'sChange-of-BasePurplemath The most commonly used log rules are as follows: 1) Product Rule: logb(mn) = logb(m) + logb(n) 2) Quotient Rule: logb(m/n) = logb(m)– logb(n) 3) Power Rule: logb(mn) = n· ...
Trick Question or Stupid Question?: Exploring Math and Computer ScienceThe following sections are included:PointThe QuestionsAnswersReferences#Point#The Questions#Answers#ReferencesProblems with a Pointdoi:10.1142/9789813279735_0018William GasarchClyde Kruskal...
Physicist: This was an interesting back-and-forth, so the original questions areitalicized. What was the energy at the start of the universe and how did it create matter? If the question is “how much?” or “where did it come from?”, the answers are unfortunately “a hell of a lot...
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Waiting for the answers? Here you go. ALSO READ:Optical Illusion: Can you find the hidden toothbrush? Trick your brain hard with this super exciting challenge ANSWERS Math Riddle 1: There is a city in a weird country that has changed its principle...
(1) real analysis – When can a sum and integral be interchanged ….https://math.stackexchange.com/questions/83721/when-can-a-sum-and-integral-be-interchanged. (2) calculus – relation between integral and summation – Mathematics Stack ….https://math.stackexchange.com/questions/184979/relati...