Top answers

What are Taylor series used for?

If you wanted to program a function into a computer, it knows how to calculate polynomials but not any function that you put into it. For example, it won't know what to calculate for sin(x), but it would kno...
TS
3267 Views

How do you structure a typical English Literature essay?

The key to getting top marks for your essay is ensuring that the structure is clear and consistent. For most essays, the structure would consist of a topic sentence/ point e.g. 'Shakespeare presents Iago as ...
JP
6765 Views

Explain the structure and the functions of the different parts of the heart

The heart plays important roles in supplying oxygen and removing toxic waste to/from our body. In basic concepts, the heart is made up of 4 chambers, two on the top and two at the bottom, the top are known a...
PF
Answered by Pei Fen Z. • Biology tutor
3059 Views

Expand and simplify (2x+4)(x+2)

In order to expand this expression, we use what is known as the FOIL method. This stands for First, Outside, Inside and Last. First, we multiply the first term in each bracket by each other. 2x multiplied by...
ED
Answered by Erin D. • Maths tutor
10238 Views

Express 6x^2+4x-1 in the form a(x+b)^2+c

In this case we need to complete the square as follows:6((x+2)^2-4)-1= 6(x+2)^2-24-1= 6(x+2)^2-25where a = 6, b = 2, c = -25
AH
Answered by Ahmad H. • Maths tutor
4164 Views