Search our library of A Level questions

Top answers

All subjects

A Level

How do I do binomial expansions for positive integer n?

The general method for (a+b)^n is: 1)write out pascals triangle (see whiteboard) and stop at the nth row. Write this on a line. 2)write down the powers of a in ascending order (and simplify) 3)write down ...

Answered by Daniel R. • Maths tutor

3710 Views

How do I work out what integration method I should use to solve an integral?

A-Level Mathematics is about a wide range of topics, among which Integrating is key!

While differentiation is a technique, whereby a set of rules can be used to approach problems, integration is an...

Answered by Luigi C. • Maths tutor

11837 Views

Explain the flaws of Utilitarianism?

Utilitarianism is a legal doctrine formulated by Jeremy Bentham in the 18th century, it is a consequentialist school of thought which locates the morality in the consequences of an act. Exemplified by the...

Answered by Kristian H. • Law tutor

4888 Views

Show that x^2 - x +2 is positive for all values of x

(x-1/2)²= (x-1/2)(x-1/2)=x²-x+1/4, add 7/4 to get x²-x+2 therefore x²-x+2 = (x-1/2)² + 7/4

squared numbers always positive so (x-1/2)²

Answered by Pearse M. • Maths tutor

11674 Views

How should I structure my essay?

As much as you may not want to hear this, there is no absolute, correct way to structure an essay. The essay structure that you use really depends on the question that you are being asked. However, there ...

Answered by Stephanie M. • History tutor

2831 Views