mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Powerful quadratics

Source: nrich
Find all real solutions to
$$(x^2-7x+11)^{(x^2-11x+30)}=1.$$

Show answer

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

List of all puzzles

Tags

grids wordplay pascal's triangle prime numbers hexagons sums folding tube maps tiling advent books logic probabilty games percentages quadratics rugby median palindromes planes range unit fractions scales sport triangles chess dominos square numbers digits proportion spheres sum to infinity crosswords people maths surds cryptic clues crossnumber coins parabolas averages square roots taxicab geometry coordinates integers circles 2d shapes digital clocks graphs regular shapes the only crossnumber fractions speed lines numbers algebra time doubling odd numbers irreducible numbers division means multiplication perimeter triangle numbers indices routes money dice sequences cube numbers rectangles polygons floors partitions symmetry star numbers products dates cryptic crossnumbers trigonometry elections perfect numbers factors differentiation angles volume area number remainders chocolate ave 3d shapes chalkdust crossnumber bases geometry ellipses cards crossnumbers squares calculus christmas probability menace shape gerrymandering colouring dodecagons functions shapes clocks addition balancing arrows factorials mean multiples complex numbers integration

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020