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Factorise completely x-4x^3

Take out all common factors, in this case only x. This leaves you with x(1-4x^2).Within the brackets you now have a quadratic equation which you can factorise. You need to find factors of -4x^2 that plus to ...
KI
Answered by Kesem I. • Maths tutor
7143 Views

How to find the exact formula of the function if the graph of it is given?

To begin with, answering this question requires basic knowledge of simple Mathematical function and ability to solve simultaneous equations. One thing you need to be able to do is recognising what kind of fu...
JZ
Answered by Jokubas Z. • Maths tutor
3236 Views

Example of product rule - if y=e^(3x-x^3), what are the coordinates of stationary points and what are their nature?

Given this is a maths problem a whiteboard will be heavily relied upon, but I'll do my best to get the appropriate notation here.Starting with y=e 3x-x^3 , we have to get to the stationary points and find wh...
DD
Answered by Dylan D. • Maths tutor
3980 Views

Why/How does differentiation work?

In order to fully understand how differentiation works, it is useful to be able to derive it. To do this, we must first consider the general curve y = f(x), we'll make this curve more specific later on. Firs...
JK
Answered by Jack K. • Maths tutor
4261 Views

Why is the area of a triangle 1/2 * b * h?

This question is more easily answered with the help of multiple diagrams, but:1) Draw a rectangle, and draw a line between the top left corner and the bottom right corner. This line divides the rectangle in ...
TD
Answered by Tutor5499 D. • Maths tutor
6347 Views