Top answers


what is d(2x^3)/dx?

the differential of a function y=2x^3 is the rate of change of that function. finding the differential is done by following the steps below:1) bring down the power of the x term and multiply it by the term i...
CZ
Answered by Charlotte Z. • Maths tutor
4727 Views

I do not understand this topic and particularly this example. In the class the result was found out but I still do not get it. How did the teacher came up with this outcome?

Firstly please show me what was the topic and the example in class. Given the topic I will provide the answer and the easiest way to complete it. For example, let's say the student had to solve the equation ...
MF
3105 Views

Use de Moivre's theorem to calculate an expression for sin(5x) in terms of sin(x) only.

de Moivre's theorem gives us that (cos(x) + i sin(x)) n = cos(nx) + i sin(nx), for integers n and real values x.Therefore cos(5x) + i sin(5x) = (cos(x) + i sin(x)) 5 = cos 5 (x) + 5i cos 4 (x)sin(x) - 10 cos...
CB
39338 Views

What’s the best way to learn my set texts?

There are many different options for learning your set-texts. You need to learn them inside out and at the same time you want to do this as quickly as possible so it is vital to have the right approach. Here...
RH
2645 Views

How does Latin’s ‘sequence of tense’ rule work and why do I need to understand it?

In Latin, tenses are divided into two sets, or sequences: primary and historic. The main primary tenses are the future (I will verb ), the present (I am verbing ) and the continuous perfect (I have verbed )....
RH
Answered by Rod H. • Latin tutor
11722 Views