Top answers


How do we solve a second order, homogeneous, linear differential equation?

First of all let's think about what this really means: Homogeneous means that all term in the differential equation contain the dependent variable(in most cases y). The dependent variable is the variable tha...
AP
6121 Views

What is a 'derivative'?

If we have a function f(x), taking its derivative would obtain a new function f'(x). However, now this second function f'(x) defines the tangent along any point on the original graph of f(x). This is useful ...
AP
5272 Views

How does one find the area of a generic triangle?

Despite probably being brought up using the A=1/2bh formula, there is a more generic formula that works for any triangle shape without any calculations needed to find the height perpendicular to a triangle's...
AP
6160 Views

How do I structure a History essay?

Introduction: In the introduction make sure you outline your arguement - it is important to have a strong arguement and to then outline the points you are going to discuss in the essay. Remember a history es...
EJ
Answered by Emily J. History tutor
3821 Views

How to "study" A-level Maths, not just learn?

To make you an A* student in Maths and Further Maths, the main technique is to sort everything by methods and knowledge. I spent 3 weekends catching up from knowing nothing to A* by my methods and I will nev...
RL
Answered by Ray L. Maths tutor
4400 Views