The Maths Association The Mathematical Association - supporting mathematics in education
    Home  |  Contact Us  |  Join the MA  |  MA Shop  |  Site Map
Search:



The Mathematical Gazette March 2008

Return to the Periodicals indexThe Mathematical Gazette

CONTENTS
Editorial    
Articles
Nice polynomials with three roots

Jonathan Groves

1
A geometric interpretation of equal
sums of cubes
Adam Bailey 8
The Divine Proportion, matrices
and Fibonacci numbers
H Brian Griffiths 14
The power of a point for some real
algebraic curves
Bogdan Suceavã, Adrian Vajiac, Mihaela Vajiac 22
Twenty-one points on the nine-point circle Clark Kimberling 29
Euler's and Barker's equations: A geometric
derivation of the time of flight along
parabolic trajectories
Alex Pathan 39
A serendipitous path to a famous inequality Robert M Young 50
Computing Farey Series Norman Routledge 55
 
Notes 92.01 to 92.29
Of grand-aunts and Fibonacci B. Sury 63
The number of S.P numbers is finite H. A. Shah Ali 64
A uniform construction of some infinite
coprime sequences
Nick Lord 66
Square-free integers once again J. A. Scott 70
When is the sum of consecutive powers an power?
Jane O'Flynn 71
A relation between the roots of a polynomial and its coefficients
Oren Peles 76
A generalised algebraic identity bites
Pythagoras
Nick Lord and Paul Glaister 82
Summing digits of an arithmetic sequence Stuart Simons 83
Explicit polynomial expressions for sums of
powers of an arithmetic progression
Hung-Ping Tsao 87
Evaluating again Robin Chapman 92
A remarkable formula P. S. Bullen and R. Výborný 94
Two infinite nested radical constants Teik-Cheng Lim 96
The -binomial inequality Grzegorz £ysik 97
Some aspects of the behaviour of the graph of Stuart Simons 99
An improved approximation to a
well-known integral
John Mahony 106
Avoiding Pythagoras Colin Foster 110
Magic knight's tours for chess in three dimensions
Awani Kumar 111
Generalisations of the Napoleon theorems,
and triangles circumscribing a given triangle
Fukuzo Suzuki 115
Orthologic triangles and Miquel's theorem Paul Gailiunas 125
Application of inversion to touching
hyperspheres
P. Dale 128
Area and perimeter ratios Stuart Simons 133
Maths bite: averaging polygons Nick Lord 134
Tilings into tilings Paul Stephenson 135
Counting faces on Archimedean solids Paul Stephenson 137
Finding lost cousins Roger Voles 138
An elementary proof of the generalised
Fermat problem
Nguyen Minh Ha and Nikolaos Dergiades 141
The number of HH's in a coin-tossing
experiment and the Fibonacci sequence
J. P. Shiwalkar and M. N. Deshpande 147
Angles in croquet Jeremy D. King 150
Three scenarios involving elastic collisions Michael D. Hirschhorn 154
     
Teaching Notes    
The distance from a point to a line Des MacHale 159
A rapid method to find a tangent to a circle Peter Macgregor 160
Integration without tears ˜ two for the
price of one
Des MacHale 160
A surprise with parallel lines: an exploration
that went wrong, then right
David Wells 162
     
Feedback   165
Correspondence   167
Problem Corner Nick Lord 170
Student Problems Tim Cross 176
Reviews   179
Acknowledgements    
 
© The Mathematical Association 2008