Top answers


What is the equation of the normal line to the curve y = 3x^3 - 6x^2 at the point (1, 4)?

First we must find the gradient of the curve at the point (1, 4) - we do this by finding the derivative dy/dx, as we do to find any gradient. Differentiating the equation of the curve gives us that dy/dx = 9...
AK
Answered by Amy K. Maths tutor
9243 Views

How do I figure out which case to use?

As an English speaker, a language that no longer uses cases, it can be really tricky to get to grips with the German case system. But once you start practising, you'll find it's not as horrible as you think!...
KC
Answered by Kate C. German tutor
3787 Views

How do I start my essay in an exam?!

Take a deep breath. Look at the text you have to analyse or the texts you have to compare. Look at your question and begin to plan: take 5-10 minutes at the start of the exam to plan your answers (this will ...
LC
2892 Views

How does a vaccine work?

A vaccine contains a dead or inactive (an therefore harmless) form of a pathogen. By injecting this into the body, an immune response is triggered and white blood cells produce antibodies specific to the ant...
TP
Answered by Tianna P. Biology tutor
5840 Views

Will the interview try to trick me?

The simple answer is no. They will never try to trick you. The reason why Oxbridge interview is so that they can get a real sense of passion for your subject, which doesn't always come across on paper. So go...
LC
1985 Views