Re: The Thread that never Ends
it is from a book called The Mathematical Toolchest by the Australian Mathematics Trust
a nifty little book that has some really neat explanations for a few topics
Re: The Thread that never Ends
you take the number of digits, in this case 6, so you have 6! ways of rearranging 6 digits
however note that the 1 is repeated, so you place 6! over the number of repeats factorial, in this case this will be 2! as 1 is repeated 2 times
therefore as khorne and...
It's not really a big deal. Maybe you could do most of it today, save it onto a usb then take it to school tomorrow, ask what the centre number is then quickly load it up on a computer, type it in, print it off and voila, the job is done :)
Yep. I remember I was doing practise Senior Contest questions once and there was one question in particular i had absolutely nfi how to do, i had 3 pages of useless scribbles and nothing had come up. I went for a shower and BAM it hit me
the shower and the toilet are often places where you get very inspiring thoughts (srs)
because you are away from all the annoying grievances of everyone else