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expand (2x+4)(x+2)

For this question you can use a method called the foil method. The F stands for first therefore you times the 2 variables that are first in each bracket. 2x times x which gives you 2x^2. The O stands for out...
AF
Answered by Aiyshah F. • Maths tutor
5942 Views

Is there a Case Study I could use for multiple topics?

Yes, there are some case studies which I like to call 'Gold Star Case Study', which can be used as examples for perhaps Paper 1 (Gender) or maybe Paper 3 for TNCs. Such as the tulip company OVERRAN in Lake N...
CC
1722 Views

How am I supposed to analyse the portrayal of Ophelia in Hamlet

The criteria set by the English A level will ask you to analyse Ophelia in two ways: through various critical perspectives and through a close examination of the text. Elaine Showalter is a feminist critic w...
NY
5486 Views

Integrate the function 1/sqrt(9-x^2) with respect to x

Hint: Use the substitution x = 3sin(u)Method: substitute u into the function then times it all by dx/du. Simplify and integrate with respect to u to get u. Then resubstitute x back into the equation to get:A...
LG
Answered by Luke G. • Maths tutor
4481 Views

Given two coordinate points (a1,b1) and (a2,b2), how do I find the equation of the straight line between them?

Firstly, remember that we can write such a line in the form y = mx + c, where x and y are our two axes, m is the gradient of the line, and c is the y-axis intersection point. Given this general formula, we n...
LH
Answered by Lewis H. • Maths tutor
8352 Views