Most questions on number theory, divisibility, primes, Euclidean algorithm, Fermat`s theorem, Wilson`s theorem, factorisation, euclidean algorithm, diophantine equations, Chinese remainder theorem, group theory, congruences, continued fractions.
Teacher of math for 53 years
AQA Doncaster Bridge Club Danum Strings Orchestra Doncaster Conservative Club Danum Strings Orchestra Simply Voices Choir Doncaster TNS mystery shopping St Paul's Music Group Cantley
Journal of mathematics and its applications M500 magazine
BSc (Hons) Liverpool (Science). BA (Hons) OU (Mathematics)
State Scholarship 1955 Highest Score in Yorkshire on OU course MST209 £50 prize First class honours in OU BA Mathematics
I taught John Birt, former Director of the BBC in 1961. His homework book was the most perfect I have ever marked. And also the most neat. I could tell he was destined for great things. One of my classmates was the poet Roger McGough, and I have a mention in his autobiography.
The variety, and the fact that everyone can participate. Anyone could discover a new largest prime number by joining the Mersenne prime project, using their computer off-line in the background to do masses of calculations.
I would love to have enough knowledge to completely understand Andrew Wiles's proof of Fermat's last theorem.
Secure encrypted messaging can be dependent on the difficulty of factorising the product of two large prime numbers.
Does the beauty I find in number theory demand a divine creator for the Universe?
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Hello Isabel You are given that ABC is a straight line. There are two similar triangles in the figure. Calling the heights of the three, x,y and z, where x>y>z, then using the similar triangles gives
Hello Isabel It can't. When you have irrationals in the denominator, the trick is to multiply Numerator and denominator by the surd conjugate of the denominator. In this case it is √(7r-3) + √
Hello Kenneth The amount of work done, w, is proportional to the number of men, m, the hours per day, h, and the number of days. So w = kmhd substituting gives w = k*24*8*15 = 2880k Now the same w
I think I have been over this with you before. The number of houses is jointly proportional to the number of men and the number of days. So h = kmd. Substituting the given gets you to k = 1/40. So
Hello Prashant Clearly, a straight line graph cannot be in all four quadrants, but a graph of Fahrenheit against Celsius is in 1st,2nd and 3rd. A bar graph showing the profits or losses of a firm in