Add new comment

re: Don't understand how you get to c = a x^2 + b x

Permalink Submitted by Anonymous on December 22, 2015

I was wondering the same thing. In the diagram I take ax to be the base of the smaller triangle but then where is x in the equation coming from? Are a and x equal?

Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

Maths: The next generation

What do young researchers in maths and computer science work on? We find out at the Heidelberg Laureate Forum 2019.
Our changing picture of gravity

To celebrate the recent centenary of the first major test of Einstein's general theory of relativity, we look back over how our picture of gravity has changed.
Celebrating black mathematicians

Cambridge joins Black History Month celebrations with an event showcasing the contributions of black mathematicians.
Less is more: The quest for minimal surfaces

For over 250 years minimal surfaces have been playing hide and seek with mathematicians. But what are they and why are they interesting?
Charmed beauty confirms particle theory

A new particle that has recently been discovered at CERN confirms predictions made by theoretical physicists over six years ago.